[gtk] (12 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  f56507e... widget: Save controllers list in a GPtrArray
  ca7d8d3... scalebutton: Remove unused click_id member
  bc1d6b5... scalebutton: Shorten finalize() implementation
  3c37fb2... window: Remove unused private function
  e8247ec... widget: Use an unchecked cast in _get_native()
  8c2c0d7... eventcontroller: Remove some unnecessary casts
  c824011... main: Save some type checks
  ab18ab1... add GtkArray
  ff4b2e5... cssselector: Use a GtkArray to count exact matches
  9536690... gtk.supp: Update
  a1d51ff... cssprovider: Pass a GtkArray around when matching

Commits added to the branch:

  0517ef1... widget: Save controllers list in a GPtrArray
  07295b1... scalebutton: Remove unused click_id member
  7a56506... scalebutton: Shorten finalize() implementation
  90250e1... window: Remove unused private function
  4995852... widget: Use an unchecked cast in _get_native()
  1c62bf6... eventcontroller: Remove some unnecessary casts
  021071b... main: Save some type checks
  86acf31... add GtkArray
  d7cc22c... cssselector: Use a GtkArray to count exact matches
  14f06d0... gtk.supp: Update
  8abf4b7... cssprovider: Pass a GtkArray around when matching
  4fefc79... shortcutcontroller: Use a GArray instead of a linked list