89699 Skip the drawShadow call in a MergeableMaterial with zero elevation (framework, f: material design, cla: yes, waiting for tree to go green)

89700 Update ScaffoldMessenger docs for MaterialBanners (framework, f: material design, cla: yes, d: api docs, waiting for tree to go green, documentation)

89822 Revert “Revert “Fix computeMinIntrinsicHeight in _RenderDecoration (#87404)” (#89667)” (framework, f: material design, cla: yes)

89997 Revert “Removed default page transitions for desktop and web platforms. (#82596)” (framework, f: material design, cla: yes)

90075 Fixes dialog title announce twice (framework, f: material design, cla: yes, waiting for tree to go green)