[gtk] (15 commits) ...Merge branch 'wip/chergert/for-main' into 'main'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  e9abcde... macos: check for best_monitor before using (*)
  e5238bf... macos: add re-entrancy check when monitors change (*)
  8c0df66... macos: style cleanup (*)
  27b87eb... macos: add clamp helper to keep rectangle in workarea (*)
  bdd5393... macos: use GdkMacosBuffer for storing damage region (*)
  4cdb07f... macos: leave a note about monitor configuration (*)
  82f1eaa... macos: improve initial placement of toplevels with parent (*)
  ddf07ff... macos: reduce chances for layout cycles (*)
  cf25f2c... macos: use parent frame clock again (*)
  50b96dc... macos: handle transient-for from configure (*)
  ed4f0de... macos: make move_resize possibly idempotent (*)
  f7d0b91... macos: move children when monitor changes (*)
  efa8f90... macos: invalidate surface contents when mapping (*)
  ca79688... macos: clear window stack before requesting motion (*)
  eaf0353... Merge branch 'wip/chergert/for-main' into 'main'

(*) This commit already existed in another branch; no separate mail sent