71636 [showModalBottomSheet] fix: showModalBottomSheet does not move along keyboard (cla: yes, f: material design, framework, waiting for tree to go green)

71657 [ExpansionPanel] Exposes color property of MaterialSlice (cla: yes, f: material design, framework, waiting for tree to go green)

71664 Updated Interactive Scrollbars (a: desktop, cla: yes, f: cupertino, f: material design, f: scrolling, framework, platform-web, severe: new feature, waiting for tree to go green)

71756 Correct text selection pivot points (cla: yes, f: material design, framework, waiting for tree to go green)

71783 circleAvatar: foreground Image uses background Image as a fall-back  (cla: yes, f: material design, framework, will affect goldens)