79506 enterText to move the caret to the end (a: tests, cla: yes, f: material design, framework, waiting for tree to go green)

79562 remove unnecessary trailing commas (cla: yes, f: cupertino, f: material design, framework)

79590 Revert “Don’t call onChanged callbacks when formatter rejects the change & handle text input formatter exceptions. (#78707)” (cla: yes, framework, waiting for tree to go green)

79608 Remove “unnecessary” imports in test/widgets (cla: yes, framework, tool, waiting for tree to go green)

79620 update CupertinoPicker.selectionOverlay to nullable (cla: yes, f: cupertino, framework, waiting for tree to go green)

79642 Add back button listener widget (cla: yes, framework, waiting for tree to go green)