Flutter 3.7.0 (#1556)

* Update `simplistic_editor` for Flutter 3.4 beta

* Re-enable beta and master CI

* Disable on master

* Added sample code for using plugins and channels from background isolates.

* goderbauer feedback 1

* goderbauer feedback2

* goderbauer feedback 3

* Add `background_isolate_channels` to CI

* Enable beta CI

* Enable all `stable` CI projects

* `dart fix --apply`

* `print` -> `denugPrint`

* Make deps min version not pinned

* Drop `_isDebug`

* Remove unused import

* `dart format`

* Fixup `linting_tool`

* Fixup `form_app`

* Enable all `master` CI

* Basic fixes

* Patch `simplistic_editor`

* Fix nl at eol

* Comment out `simplistic_editor`

* Incorporating @bleroux's latest changes

* Clean up CI scripts

* Copy `experimental/material_3_demo` to top level

* Update `game_template`

* Update `animations`

* Update `desktop_photo_search`

* Update `flutter_maps_firestore`

* Update `form_app`

* Update `infinite_list`

* Update `isolate_example`

* Update `jsonexample`

* Update `navigation_and_routing`

* Update `place_tracker`

* Update `platform_channels`

* Update `platform_design`

* Update `provider_shopper`

* Fixup `context_menus`

* `dart format`

* Update the main `material_3_demo`

* Make `tool/flutter_ci_script_stable.sh` executable again

Co-authored-by: Bruno Leroux <bruno.leroux@gmail.com>
Co-authored-by: Aaron Clarke <aaclarke@google.com>

simplistic_editor/lib/basic_text_field.dart

@@ -104,8 +104,7 @@ class _BasicTextFieldState extends State<BasicTextField> {
         break;
     }
 
-    return FocusTrapArea(
-      focusNode: widget.focusNode,
+    return TextFieldTapRegion(
       child: GestureDetector(
         behavior: HitTestBehavior.translucent,
         onPanStart: (dragStartDetails) => _onDragStart(dragStartDetails),

simplistic_editor/lib/basic_text_input_client.dart

@@ -66,6 +66,15 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
     super.dispose();
   }
 
+  @override
+  void didChangeInputControl(
+      TextInputControl? oldControl, TextInputControl? newControl) {
+    if (_hasFocus && _hasInputConnection) {
+      oldControl?.hide();
+      newControl?.show();
+    }
+  }
+
   /// [DeltaTextInputClient] method implementations.
   @override
   void connectionClosed() {
@@ -100,6 +109,11 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
     // Will not implement.
   }
 
+  @override
+  void performSelector(String selectorName) {
+    // Will not implement.
+  }
+
   @override
   void removeTextPlaceholder() {
     // Will not implement. This method is used for Scribble support.
@@ -685,6 +699,7 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
           onSelectionHandleTapped: () {
             _toggleToolbar();
           },
+          magnifierConfiguration: TextMagnifierConfiguration.disabled,
         );
       } else {
         _selectionOverlay!.update(_value);
@@ -757,7 +772,8 @@ class BasicTextInputClientState extends State<BasicTextInputClient>
                   textAlign: TextAlign.left,
                   textDirection: _textDirection,
                   locale: Localizations.maybeLocaleOf(context),
-                  textHeightBehavior: DefaultTextHeightBehavior.of(context),
+                  textHeightBehavior:
+                      DefaultTextHeightBehavior.maybeOf(context),
                   textWidthBasis: TextWidthBasis.parent,
                   obscuringCharacter: '•',
                   obscureText: