57534 Improve CupertinoDatePicker docs (cla: yes, f: cupertino, framework, waiting for tree to go green)

57576 Add Web Benchmarks for Flutter Gallery (Flutter Side) — 1/4 (cla: yes, f: cupertino, f: material design, team, waiting for tree to go green)

58024 fix cupertino page route dismisses hero transition when swipe to the … (cla: yes, f: cupertino, f: material design, framework, waiting for tree to go green)

58050 Flutter 1.17.2 cherrypicks (a: accessibility, cla: yes, d: examples, engine, f: cupertino, f: material design, framework, team, tool, work in progress; do not review)