[gtk] (7 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:

  c4585ec... Start using GtkWidget's new style class API
  447f229... snapshot: Add _push_collect() and _pop_collect()
  54fad68... widget: Use gtk_snapshot_{push,pop})_collect
  673c1f5... widget: Fix a from_string/try_string mixup
  5cea02c... GskRoundedRect: Inline graphene_rect_contains_rect

Commits added to the branch:

  c3ecf66... Start using GtkWidget's new style class API
  c4405db... snapshot: Add _push_collect() and _pop_collect()
  fcbacb1... widget: Use gtk_snapshot_{push,pop})_collect
  73a9cda... widget: Fix a from_string/try_string mixup
  105f2fb... GskRoundedRect: Inline graphene_rect_contains_rect
  0460a2a... textlayout: Use gtk_snapshot_{push,pop}_collect()
  3a8186c... snapshot: Remove new_with_parent