Create an enum for widget inspector service extensions for use by tools by @kenzieschmoll in https://github.com/flutter/flutter/pull/111405

Enable android isolate platform channels tests by @gaaclarke in https://github.com/flutter/flutter/pull/111279

Fix DraggableScrollableSheet rebuilding during drag by @moffatman in https://github.com/flutter/flutter/pull/111010

Utility methods for measuring text by @dnfield in https://github.com/flutter/flutter/pull/111493

Fix the TimePicker hour/minute field’s input actions by @TahaTesser in https://github.com/flutter/flutter/pull/97361

Fix text direction nullability by @dnfield in https://github.com/flutter/flutter/pull/111513