92970 Reland “Refactor ThemeData (#91497)” (part 2)  (framework, f: material design, cla: yes, waiting for tree to go green)

93059 Add golden tests for default and overriden expandedTitleScale in FlexibleSpaceBar (framework, f: material design, cla: yes, waiting for tree to go green)

93086 Improve tracing (team, framework, f: material design, f: scrolling, cla: yes, waiting for tree to go green, integration_test)

93161 Revert “Added widgets/AppModel” (team, framework, f: material design, cla: yes, d: api docs, d: examples, waiting for tree to go green, documentation)

93170 Desktop edge scrolling (a: text input, framework, f: material design, cla: yes, f: cupertino, waiting for tree to go green)