rand dart fix

deprecated/storyboard/lib/src/media_query_observer.dart

@@ -23,13 +23,13 @@ class _MediaQueryObserverState extends State<MediaQueryObserver>
 
   @override
   void initState() {
-    WidgetsBinding.instance?.addObserver(this);
+    WidgetsBinding.instance.addObserver(this);
     super.initState();
   }
 
   @override
   void dispose() {
-    WidgetsBinding.instance?.removeObserver(this);
+    WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
 
@@ -37,7 +37,7 @@ class _MediaQueryObserverState extends State<MediaQueryObserver>
   Widget build(BuildContext context) {
     return MediaQuery(
       data: widget.data ??
-          MediaQueryData.fromWindow(WidgetsBinding.instance!.window),
+          MediaQueryData.fromView(WidgetsBinding.instance.window),
       child: widget.child,
     );
   }

deprecated/storyboard/lib/src/nested_app.dart

@@ -38,7 +38,7 @@ class _NestedAppState extends State<NestedApp> {
 
   void setup() {
     _navKey = GlobalObjectKey<NavigatorState>(this);
-    WidgetsBinding.instance?.addPostFrameCallback((_) {
+    WidgetsBinding.instance.addPostFrameCallback((_) {
       if (widget.route != null) {
         _navKey.currentState?.pushReplacementNamed(
           widget.route!.name!,

deprecated/storyboard/lib/src/render_lane.dart

@@ -61,7 +61,6 @@ class _Lane extends StatelessWidget {
     required this.androidDevice,
     required this.cupertinoDevice,
     this.title,
-    this.itemBuilder,
     this.laneBuilder,
     this.size,
     this.shadow,