69812 fix typo in RenderChip.computeMaxIntrinsicWidth implementation (cla: yes, f: material design, framework, waiting for tree to go green)

69866 Add a [valid] property of [MouseTrackerAnnotation] indicates the annotation states. (cla: yes, framework, waiting for tree to go green)

69890 Added enableFeedback property PopupMenuButton (cla: yes, f: material design, framework, waiting for tree to go green)

69891 Fix Editable(Text) shortcuts to respect read-only on desktop (cla: yes, framework, waiting for tree to go green)

69904 Ignore several import_of_legacy_library_into_null_safe (a: tests, cla: yes, framework)

69919 Fix crash when widgetspan does not produce a semantics node in render… (cla: yes, framework)