fix(runtime): 37 late fields with == null checks were wrongly migrated -> nullable. Fixes LateInitializationError crashes on page navigation (shop/checkout/comment/data pages)

lib/widgets/general/sliding_up_panel.dart

@@ -602,7 +602,7 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid
 
 
 class PanelController{
-  late _SlidingUpPanelState _panelState;
+  _SlidingUpPanelState? _panelState;
 
   void _addState(_SlidingUpPanelState panelState){
     this._panelState = panelState;
@@ -616,27 +616,27 @@ class PanelController{
   /// Closes the sliding panel to its collapsed state (i.e. to the  minHeight)
   Future<void> close(){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._close();
+    return _panelState!._close();
   }
 
   /// Opens the sliding panel fully
   /// (i.e. to the maxHeight)
   Future<void> open(){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._open();
+    return _panelState!._open();
   }
 
   /// Hides the sliding panel (i.e. is invisible)
   Future<void> hide(){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._hide();
+    return _panelState!._hide();
   }
 
   /// Shows the sliding panel in its collapsed state
   /// (i.e. "un-hide" the sliding panel)
   Future<void> show(){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._show();
+    return _panelState!._show();
   }
 
   /// Animates the panel position to the value.
@@ -647,7 +647,7 @@ class PanelController{
   Future<void> animatePanelToPosition(double value, {Duration? duration, Curve curve = Curves.linear}){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
     assert(0.0 <= value && value <= 1.0);
-    return _panelState._animatePanelToPosition(value, duration: duration, curve: curve);
+    return _panelState!._animatePanelToPosition(value, duration: duration, curve: curve);
   }
 
   /// Animates the panel position to the snap point
@@ -656,8 +656,8 @@ class PanelController{
   /// (optional) curve specifies the easing behavior of the animation.
   Future<void> animatePanelToSnapPoint({Duration? duration, Curve curve = Curves.linear}){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    assert(_panelState.widget.snapPoint != null, "SlidingUpPanel snapPoint property must not be null");
-    return _panelState._animatePanelToSnapPoint(duration: duration, curve: curve);
+    assert(_panelState!.widget.snapPoint != null, "SlidingUpPanel snapPoint property must not be null");
+    return _panelState!._animatePanelToSnapPoint(duration: duration, curve: curve);
   }
 
   /// Sets the panel position (without animation).
@@ -666,7 +666,7 @@ class PanelController{
   set panelPosition(double value){
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
     assert(0.0 <= value && value <= 1.0);
-    _panelState._panelPosition = value;
+    _panelState!._panelPosition = value;
   }
 
   /// Gets the current panel position.
@@ -677,35 +677,35 @@ class PanelController{
   /// 1.0 is full open.
   double get panelPosition{
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._panelPosition;
+    return _panelState!._panelPosition;
   }
 
   /// Returns whether or not the panel is
   /// currently animating.
   bool get isPanelAnimating{
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._isPanelAnimating;
+    return _panelState!._isPanelAnimating;
   }
 
   /// Returns whether or not the
   /// panel is open.
   bool get isPanelOpen{
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._isPanelOpen;
+    return _panelState!._isPanelOpen;
   }
 
   /// Returns whether or not the
   /// panel is closed.
   bool get isPanelClosed{
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._isPanelClosed;
+    return _panelState!._isPanelClosed;
   }
 
   /// Returns whether or not the
   /// panel is shown/hidden.
   bool get isPanelShown{
     assert(isAttached, "PanelController must be attached to a SlidingUpPanel");
-    return _panelState._isPanelShown;
+    return _panelState!._isPanelShown;
   }
 
 }