[gtk] (23 commits) Non-fast-forward update to branch dnd-cleanups

[Matthias Clasen <matthiasc src gnome org>]

The branch 'dnd-cleanups' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  eaabcac... wayland: Remove an unused field
  7d14e32... dnd: Add a GdkDrag::action property

Commits added to the branch:

  73d736d... Do not modify a const GdkEvent in place (*)
  165dab8... gl renderer: Ignore 0-sized fallback nodes (*)
  b80942e... gdk: Fix some g-i annotations warnings (*)
  0abd01e... ModelButton: Add 'use-markup' property (*)
  73cad1e... Remove some GtkRecentChooserMenu references (*)
  2f8284a... testsuite: Remove a GtkColorButton special case (*)
  ecaa16c... notify test: Remove some non-existant properties (*)
  8aa4b51... notify test: Remove more nonexistent properties (*)
  f3c670a... widget: Move opactiy == 0 check (*)
  dfd1372... wayland: Update cursor surface scale when output scale chan (*)
  d9dcfff... Merge branch 'wip/aplazas/modelbutton-markup-master' into ' (*)
  9c3de51... Merge branch 'wip/cursor-output-scale-changes' into 'master (*)
  ca94ff1... testsuite/gtk/defaultvalue: Actually build...& fix (*)
  fd69f1c... eventcontrollerkey: Document key-pressed and key-released (*)
  af93646... Merge branch 'event-controller-key-docs' into 'master' (*)
  ae3163b... ScrolledWindow: Add missing apostrophes (*)
  51b77a4... ScrolledWindow: Fix/improve doc of key bindings (*)
  51981d5... ScrolledWindow: a couple of spelling/grammar fixes (*)
  c892d27... Adwaita: Regenerate CSS for text handle overhaul (*)
  269a9d8... Adwaita: Drop some unneeded overrides (*)
  1246473... Merge branch 'dnd-cleanups' into 'master' (*)
  bc37db8... wayland: Remove an unused field
  596c87a... dnd: Add a GdkDrag::action property

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