66754 [desktop] default to shrink wrap on desktop platforms (cla: yes, f: material design, framework, waiting for tree to go green)

66783 fix the tree (cla: yes, f: cupertino, framework)

66785 Add textSelectionControls to TextField etc. (cla: yes, f: cupertino, f: material design, framework)

66798 Fix ListTile assert when layout at zero size (cla: yes, f: material design, framework)

66834 GlobalKey docs improvement (cla: yes, d: api docs, documentation, framework)

66845 fix _getPixelPerfectCursorOffset logic when infinite (cla: yes, framework, waiting for tree to go green)