79434 add missing trailing commas (a: accessibility, cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

79484 Properly position the built-in drag handles on horizontal ReorderableListViews. (cla: yes, f: material design, framework, waiting for tree to go green)

79486 [flutter_releases] Flutter Stable 2.0.4 Framework Cherrypicks (a: tests, cla: yes, engine, f: cupertino, f: material design, framework, team, tool)

79489 Fix length formatter typo (cla: yes, f: material design, framework, waiting for tree to go green)

79500 Correct misspellings throughout the codebase (a: tests, cla: yes, f: cupertino, f: material design, framework, team, tool, waiting for tree to go green)