82753 Revert “Added axisOrientation property to Scrollbar” (framework, f: material design, cla: yes, f: cupertino)

82818 Fix “Added AxisOrientation property to Scrollbar (#75497)” analysis failures (framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)

82843 refactor: Add MaterialStateMixin (severe: new feature, framework, f: material design, cla: yes, d: api docs, d: examples, a: quality, waiting for tree to go green, documentation)

82986 Re-add the removed MediaQuery.removePadding of PopupMenuButton (framework, f: material design, cla: yes, waiting for tree to go green)

83014 fix a DropdownButtonFormField label display issue (severe: regression, framework, f: material design, cla: yes, a: quality, waiting for tree to go green)