[gtk] (37 commits) Non-fast-forward update to branch wip/matthiasc/immodule-cleanup

[Matthias Clasen <matthiasc src gnome org>]

The branch 'wip/matthiasc/immodule-cleanup' 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:

  ed45564... Convert immodules to use an extension point
  12a0771... blindly convert imquartz to a gio module
  be83f5f... Always include platform immodules
  66ca5e0... add a missing file

Commits added to the branch:

  65c3f53... gitlab-ci: run parts of the test suite (*)
  a7e9667... build: Use get_supported_arguments() (*)
  88d4194... build: Do not eagerly disable checks on release builds (*)
  96f8eec... Merge branch 'gitlab-ci-run-gtk-tests' into 'master' (*)
  1828c6b... text-view: make measure() use the layout height (*)
  c200758... range: Remove scale special case (*)
  8a38f62... range: Remove unnecessary queue_draw calls (*)
  69fa3c4... range: Don't call calc_slider() on value changes (*)
  e9ecfea... range: Stop tracking mouse location (*)
  ece26b8... range: Stop tracking mouse position (*)
  82d459f... range: Remove priv pointer (*)
  52f877d... range: Remove some unneeded includes (*)
  4c952da... range: Fix coordinates in coord_to_value (*)
  1fea980... range: Simplify compute_slider_position (*)
  af4474f... range: Simplify allocate_trough (*)
  4095cac... range: Remove GtkScale special casing (*)
  79426a0... range: Compute slider allocation in update_initial_slider_p (*)
  01d7ec2... range: Fix coord/value translation (*)
  94093fd... widget: Improve warning for negative size_allocate dimensio (*)
  fd20e42... range: Fix typo in allocate_trough (*)
  0b9dca3... placessidebar: Don't create a GtkWindow for drag icons (*)
  4cfaee9... vulkan: Add error strings for missing VkResults (*)
  45603f7... vulkan: Don't quiet the compiler (*)
  a302fd3... Merge branch 'text-view-measure' into 'master' (*)
  21e3a8d... Update Scottish Gaelic translation (*)
  7835385... Update Scottish Gaelic translation (*)
  8720b2d... widget: Correct translate_coordinate documentation (*)
  f5afc17... button: Remove ::event handler (*)
  eb66d6b... widget: Simplify _set_name (*)
  4e23daa... widget: Don't export propagate_hierarchy_changed (*)
  ab322e3... README.md: Minor updates (*)
  79bd123... Add some debug output to print backend loading (*)
  e6bf832... Don't mention papi in options docs (*)
  29bcc38... Convert immodules to use an extension point
  15cc20e... Always include platform immodules
  ca794f9... Update docs for immodules
  ef55668... Update docs for changed options

(*) This commit already existed in another branch; no separate mail sent