92217 Fix reassemble in LiveTestWidgetsFlutterBinding (a: tests, framework, cla: yes)

92297 Added widgets/AppModel (team, framework, f: material design, cla: yes, d: api docs, d: examples, waiting for tree to go green, documentation)

92343 Add scaleX and scaleY Parameters in Transform.Scale. (framework, cla: yes, waiting for tree to go green)

92374 Removed no-shuffle tag and fixed leak in flutter_goldens_test.dart (a: tests, team, framework, cla: yes, waiting for tree to go green)

92440 Allow Programmatic Control of Draggable Sheet (framework, f: scrolling, cla: yes, waiting for tree to go green)