[gtk] (19 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:

  671c83b... widget: Don't save position in allocations
  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
  18d5036... spinner: Remove private struct
  f2acc18... colorswatch: Remove dead assignment
  a4bb072... image: Fix gtkdoc property syntax
  8138cc4... paned: Use a GtkIcon as separator

Commits added to the branch:

  9148fd6... widget: Don't save position in allocations
  4c8787a... widget: Clean up size_allocate
  70060b1... compute_bounds: Add preconditions
  6e4d421... widget: Save baseline without CSS values applies
  0bd03c8... widget: Get CSS values later in size_allocate
  15f9867... testformentry: Pass transform in size_allocate
  7d417be... widget: Remove gtk_widget_intersect
  8570f56... sizerequest: Remove unused parameter from adjust_size_alloc
  771f35d... fishbowl: Use a GtkPicture for videos
  5e8944b... menuitem: Remove duplicate include
  3277274... picture: Fix doc typo
  f4b2eff... Add size_allocate_transformed to the docs
  29f3fc0... spinner: Remove private struct
  4f543a5... colorswatch: Remove dead assignment
  e2946ce... image: Fix gtkdoc property syntax
  bc0fc37... paned: Use a GtkIcon as separator
  855477c... menubutton: Remove outdated line
  3bba600... renderborder: Remove unused function
  6f0198a... renderborder: Pull some locals into the closest scope