[gtk+] (11 commits) Non-fast-forward update to branch wip/baedert/box

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/box' 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:

  b1ce311... texttag: Remove GdkColor properties
  d3cc372... builder: Stop parsing GdkColor values
  cf6a8d2... checkbutton: Remove unused constants
  0a2ba87... menuitem: Stop looking at nonexistant child properties
  eb8aee6... widget: Remove in_reparent flag
  a8e7498... gtk4-demo: Fix builder demo
  b37aad6... container: Remove reallocate_redraws
  44d149c... frame: Remove unused constants
  fcbcc80... container: Remove composite_name
  3b318fd... button: Remove grab_time
  52532d0... button: Fix icon-name implementation

Commits added to the branch:

  2437e97... builder: Stop parsing GdkColor values
  2e32655... checkbutton: Remove unused constants
  6150ce4... menuitem: Stop looking at nonexistant child properties
  18f0b80... widget: Remove in_reparent flag
  3e3eb01... gtk4-demo: Fix builder demo
  de65f87... container: Remove reallocate_redraws
  00e7c69... frame: Remove unused constants
  0f62357... container: Remove composite_name
  f989281... button: Remove grab_time
  f65af48... button: Fix icon-name implementation
  a5867ff... Remove some more GdkColor properties