[gtk] (11 commits) Non-fast-forward update to branch wip/baedert/transforms5

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/transforms5' 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:

  3cda6e2... widget: Clean up size_allocate
  de09732... compute_bounds: Add preconditions
  1847485... widget: Save baseline without CSS values applies
  b9bfdf6... widget: Get CSS values later in size_allocate
  4694980... testformentry: Pass transform in size_allocate
  5cdb21e... widget: Remove gtk_widget_intersect
  4e522a3... sizerequest: Remove unused parameter from adjust_size_alloc
  4c0162c... fishbowl: Use a GtkPicture for videos
  4e22e8d... menuitem: Remove duplicate include
  2916c68... picture: Fix doc typo
  51f2c05... Add size_allocate_transformed to the docs

Commits added to the branch:

  f1aeb1b... widget: Clean up size_allocate
  40f1f7c... compute_bounds: Add preconditions
  7f0387c... widget: Save baseline without CSS values applies
  870d141... widget: Get CSS values later in size_allocate
  187fbf8... testformentry: Pass transform in size_allocate
  2cc7fa9... widget: Remove gtk_widget_intersect
  d5caf93... sizerequest: Remove unused parameter from adjust_size_alloc
  dc4e8f2... fishbowl: Use a GtkPicture for videos
  f52fc96... menuitem: Remove duplicate include
  9d645e0... picture: Fix doc typo
  f5b3608... Add size_allocate_transformed to the docs