phase3: util_web + shop_scroll (custom scroll) null-safe; global Key? param fix

lib/widgets/desktop/create_online_store_1.dart

@@ -15,7 +15,7 @@ import '../../widgets/general/navigationbar.dart';
 class CreateOnlineStore1 extends StatefulWidget {
   final int businessId;
 
-  const CreateOnlineStore1(this.businessId, {Key key}) : super(key: key);
+  const CreateOnlineStore1(this.businessId, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_blog.dart

@@ -24,7 +24,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 
 class DesktopBlog extends StatefulWidget {
   final int businessId;
-  const DesktopBlog({Key key, this.businessId}) : super(key: key);
+  const DesktopBlog({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_buy_service.dart

@@ -15,7 +15,7 @@ import '../../widgets/general/navigationbar.dart';
 class DesktopBuyService extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  const DesktopBuyService(this.data, {Key key})
+  const DesktopBuyService(this.data, {Key? key})
       : super(key: key);
 
   @override

lib/widgets/desktop/desktop_change_mobile_or_email.dart

@@ -16,7 +16,7 @@ import '../../utils/utils.dart';
 class DesktopChangeMobileOrEmail extends StatefulWidget {
   final bool isMobile;
 
-  const DesktopChangeMobileOrEmail(this.isMobile, {Key key}) : super(key: key);
+  const DesktopChangeMobileOrEmail(this.isMobile, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_change_password.dart

@@ -8,7 +8,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/breadcrumbs.dart';
 
 class DesktopChangePassword extends StatefulWidget {
-  const DesktopChangePassword({Key key}) : super(key: key);
+  const DesktopChangePassword({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_checkout.dart

@@ -34,7 +34,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/sliding_up_panel.dart';
 
 class DesktopCheckout extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
 
   const DesktopCheckout(this.businessId, {this.key,}) : super(key: key);

lib/widgets/desktop/desktop_contact_us.dart

@@ -19,7 +19,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 class DesktopContactUs extends StatefulWidget {
   final Business business;
 
-  const DesktopContactUs(this.business, {Key key}) : super(key: key);
+  const DesktopContactUs(this.business, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_coupons.dart

@@ -17,7 +17,7 @@ import '../../widgets/general/navigationbar.dart';
 
 class DesktopCoupons extends StatefulWidget {
   final int contactId;
-  final Key key;
+  final Key? key;
   const DesktopCoupons(this.contactId, {this.key});
 
   @override

lib/widgets/desktop/desktop_download_apps.dart

@@ -9,7 +9,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 class DesktopDownloadApps extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  DesktopDownloadApps(this.data, {Key key}) : super(key: key);
+  DesktopDownloadApps(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_edit_address.dart

@@ -20,7 +20,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/navigationbar.dart';
 
 class DesktopEditAddress extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final Address address;
   final int businessId;
   const DesktopEditAddress(this.address, {this.key, int businessId}) :

lib/widgets/desktop/desktop_forgot_password.dart

@@ -13,7 +13,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class DesktopForgotPassword extends StatefulWidget {
-  const DesktopForgotPassword({Key key}) : super(key: key);
+  const DesktopForgotPassword({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_igoshow_learn_more.dart

@@ -8,7 +8,7 @@ import '../../widgets/general/breadcrumbs.dart';
 
 class DesktopiGoShowLearnMore extends StatefulWidget {
   final Map<String, dynamic> data;
-  const DesktopiGoShowLearnMore(this.data, {Key key}) : super(key: key);
+  const DesktopiGoShowLearnMore(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_login.dart

@@ -11,7 +11,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class DesktopLogin extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const DesktopLogin({this.key}) : super(key: key);
 

lib/widgets/desktop/desktop_me.dart

@@ -21,7 +21,7 @@ double statusBarHeight;
 double screenHeight;
 
 class DesktopMe extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const DesktopMe({this.key}) : super(key: key);
 

lib/widgets/desktop/desktop_minipos_learn_more.dart

@@ -7,7 +7,7 @@ import '../../widgets/general/breadcrumbs.dart';
 
 class DesktopMiniPosLearnMore extends StatefulWidget {
   final Map<String, dynamic> data;
-  const DesktopMiniPosLearnMore(this.data, {Key key}) : super(key: key);
+  const DesktopMiniPosLearnMore(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_my_addresses.dart

@@ -20,7 +20,7 @@ import '../../widgets/general/navigationbar.dart';
 
 class DesktopMyAddresses extends StatefulWidget {
   final int businessId;
-  const DesktopMyAddresses({Key key, this.businessId}) : super(key: key);
+  const DesktopMyAddresses({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_my_support.dart

@@ -20,7 +20,7 @@ import '../../widgets/general/navigationbar.dart';
 
 class DesktopMySupport extends StatefulWidget {
   final int businessId;
-  const DesktopMySupport({Key key, this.businessId}) : super(key: key);
+  const DesktopMySupport({Key? key, this.businessId}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_new_address.dart

@@ -14,7 +14,7 @@ import '../../utils/http_util.dart';
 import '../../widgets/general/navigationbar.dart';
 
 class DesktopNewAddress extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final LocatedAddress locatedAddress;
   final int businessId;
   const DesktopNewAddress({this.key, this.locatedAddress, this.businessId}) : super(key: key);

lib/widgets/desktop/desktop_new_comment.dart

@@ -22,7 +22,7 @@ import '../../utils/utils.dart';
 
 
 class DesktopNewComment extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   const DesktopNewComment(this.orderId, {this.key});
 

lib/widgets/desktop/desktop_new_ticket.dart

@@ -18,7 +18,7 @@ import '../../widgets/general/breadcrumbs.dart';
 import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dart';
 
 class DesktopNewTicket extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
 
   const DesktopNewTicket({this.key, int businessId}) :

lib/widgets/desktop/desktop_new_user.dart

@@ -11,7 +11,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class DesktopNewUser extends StatefulWidget {
-  const DesktopNewUser({Key key}) : super(key: key);
+  const DesktopNewUser({Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_order_detail.dart

@@ -26,7 +26,7 @@ import '../../widgets/general/breadcrumbs.dart';
 import '../../widgets/general/navigationbar.dart';
 
 class DesktopOrderDetail extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   final bool fromOrders;
   const DesktopOrderDetail(this.orderId, {this.key, this.fromOrders});

lib/widgets/desktop/desktop_orders.dart

@@ -22,7 +22,7 @@ import '../../widgets/general/navigationbar.dart';
 
 
 class DesktopOrders extends StatefulWidget {
-  final Key key;
+  final Key? key;
   const DesktopOrders({this.key});
 
   @override

lib/widgets/desktop/desktop_pay_now.dart

@@ -20,7 +20,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 import '../../utils/utils.dart';
 
 class DesktopPayNow extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int orderId;
   const DesktopPayNow(this.orderId, {this.key});
 

lib/widgets/desktop/desktop_plain_page.dart

@@ -13,7 +13,7 @@ import '../../widgets/general/navigationbar.dart';
 class DesktopPlainPage extends StatefulWidget {
   final Blog blog;
 
-  const DesktopPlainPage(this.blog, {Key key}) : super(key: key);
+  const DesktopPlainPage(this.blog, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_product_detail_page.dart

@@ -30,7 +30,7 @@ class DesktopProductDetailPage extends StatefulWidget {
   final Product product;
 
   const DesktopProductDetailPage(
-      {@required this.business, @required this.product, Key key})
+      {@required this.business, @required this.product, Key? key})
       : super(key: key);
 
   @override

lib/widgets/desktop/desktop_product_item.dart

@@ -17,7 +17,7 @@ class DesktopProductItem extends StatefulWidget {
   final Business business;
   final bool horizontal;
 
-  DesktopProductItem({this.product, this.business, Key key, this.horizontal = false})
+  DesktopProductItem({this.product, this.business, Key? key, this.horizontal = false})
     : super(key: key);
 
   @override

lib/widgets/desktop/desktop_renew_license.dart

@@ -16,7 +16,7 @@ import '../../widgets/general/navigationbar.dart';
 class DesktopRenewLicense extends StatefulWidget {
   final int businessId;
 
-  const DesktopRenewLicense(this.businessId, {Key key}) : super(key: key);
+  const DesktopRenewLicense(this.businessId, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_renew_minioffice.dart

@@ -17,7 +17,7 @@ import '../../widgets/general/navigationbar.dart';
 class DesktopRenewMiniOffice extends StatefulWidget {
   final Map<String, dynamic> data;
 
-  const DesktopRenewMiniOffice(this.data, {Key key}) : super(key: key);
+  const DesktopRenewMiniOffice(this.data, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {

lib/widgets/desktop/desktop_reset_password.dart

@@ -12,7 +12,7 @@ class DesktopResetPassword extends StatefulWidget {
   final String mobile;
   final String code;
 
-  const DesktopResetPassword(this.mobile, {this.code, Key key}) :
+  const DesktopResetPassword(this.mobile, {this.code, Key? key}) :
       super(key: key);
 
   @override

lib/widgets/desktop/desktop_search_place.dart

@@ -17,7 +17,7 @@ import '../../utils/http_util.dart';
 import '../../utils/utils.dart';
 
 class DesktopSearchPlace extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int businessId;
   const DesktopSearchPlace(this.businessId, {this.key}) : super(key: key);
 

lib/widgets/desktop/desktop_set_password.dart

@@ -12,7 +12,7 @@ class DesktopSetPassword extends StatefulWidget {
   final String mobile;
   final String code;
 
-  const DesktopSetPassword(this.mobile, {this.code, Key key}) :
+  const DesktopSetPassword(this.mobile, {this.code, Key? key}) :
       super(key: key);
 
   @override

lib/widgets/desktop/desktop_store_product_search.dart

@@ -19,7 +19,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/add_remove_button.dart';
 
 class DesktopStoreProductSearch extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final Business business;
 
   const DesktopStoreProductSearch(this.business, {this.key});

lib/widgets/desktop/desktop_user_profile.dart

@@ -15,7 +15,7 @@ import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dar
 import '../../utils/utils.dart';
 
 class DesktopUserProfile extends StatefulWidget {
-  final Key key;
+  final Key? key;
 
   const DesktopUserProfile({this.key})
       : super(key: key);

lib/widgets/desktop/desktop_view_blog.dart

@@ -16,7 +16,7 @@ import '../../widgets/general/breadcrumbs.dart';
 import '../../utils/util_io.dart' if (dart.library.html) '../../utils/util_web.dart';
 
 class DesktopViewBlog extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int bid;
 
   const DesktopViewBlog(this.bid, {this.key}) : super(key: key);

lib/widgets/desktop/desktop_view_ticket.dart

@@ -19,7 +19,7 @@ import '../../utils/utils.dart';
 import '../../widgets/general/text_link.dart';
 
 class DesktopViewTicket extends StatefulWidget {
-  final Key key;
+  final Key? key;
   final int ticketId;
 
   const DesktopViewTicket(this.ticketId, {this.key}) : super(key: key);

lib/widgets/desktop/product_item.dart

@@ -17,7 +17,7 @@ class ProductItem extends StatefulWidget {
   final Product product;
   final bool horizontal;
 
-  const ProductItem(this.product, this.business, {Key key, this.horizontal = false}) : super(key: key);
+  const ProductItem(this.product, this.business, {Key? key, this.horizontal = false}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => ProductItemState();

lib/widgets/desktop/product_search.dart

@@ -20,7 +20,7 @@ import 'product_item.dart';
 class ProductSearch extends StatefulWidget {
   final Business business;
 
-  const ProductSearch(this.business, {Key key}) : super(key: key);
+  const ProductSearch(this.business, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() => ProductSearchState();

lib/widgets/desktop/shop.dart

@@ -24,7 +24,7 @@ import 'shopping_cart_widget.dart';
 class Shop extends StatefulWidget {
   final int businessId;
 
-  const Shop({Key key, this.businessId}): super(key: key);
+  const Shop({Key? key, this.businessId}): super(key: key);
 
   @override
   State<StatefulWidget> createState() => ShopState();

lib/widgets/desktop/shop_bulletin.dart

@@ -7,7 +7,7 @@ import '../../models/business.dart';
 class ShopBulletin extends StatefulWidget {
   final Business business;
 
-  const ShopBulletin(this.business, {Key key}): super(key: key);
+  const ShopBulletin(this.business, {Key? key}): super(key: key);
 
   @override
   State<StatefulWidget> createState() => ShopBulletinState();

lib/widgets/desktop/shop_products.dart

@@ -16,7 +16,7 @@ import '../../widgets/desktop/product_item.dart';
 class ShopProducts extends StatefulWidget {
   final dynamic data;
 
-  const ShopProducts(this.data, {Key key}): super(key: key);
+  const ShopProducts(this.data, {Key? key}): super(key: key);
 
   @override
   State<StatefulWidget> createState() => ShopProductsState();

lib/widgets/desktop/shop_promote.dart

@@ -12,7 +12,7 @@ import '../../utils/util_io.dart' if (dart.library.html) '../../utils/util_web.d
 class ShopPromote extends StatefulWidget {
   final dynamic data;
 
-  const ShopPromote(this.data, {Key key}): super(key: key);
+  const ShopPromote(this.data, {Key? key}): super(key: key);
 
   @override
   State<StatefulWidget> createState() => ShopPromoteState();