[gtk] (9 commits) Created branch wip/chergert/for-main

[Christian Hergert <chergert src gnome org>]

The branch 'wip/chergert/for-main' was created.

Summary of new commits:

  3c009bf... macos: move feedback mechanisms into separate file
  57fca33... macos: use display id when creating CVDisplayLink
  8e39c18... macos: remove duplicated opaque_region field
  dcabff4... macos: calculate best monitor when changing screens
  995cf3c... macos: do not inherit parents frame clock
  48462ed... macos: remove emulated scroll events
  f0384ba... macos: send stop event when fingers touch
  99319c7... macos: use video mode for refresh rate and interval
  d0c31d9... macos: support mix-rate monitors