[swell-foop] (55 commits) Non-fast-forward update to branch arnaudb/wip/gtk4

[Arnaud B. <arnaudb src gnome org>]

The branch 'arnaudb/wip/gtk4' 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:

  371b54a... Compile with Gtk4.
  b5bd355... Drop Clutter dependency.
  972e861... Replace GdkScreen by GdkDisplay.
  1e5d5d8... Adapt a method.
  b09f425... No need to set events anymore.
  54bf2b9... Adapt to Box API.
  4246fff... Adapt to EventController API.
  0ecd89d... Comment waiting for MenuButton to gain active property.
  31ce5d9... Comment a headerbar stuff.
  12735eb... Comment for now window destroy.
  4ba9a4c... Adapt UI files.
  932a55d... Drop Clutter.
  4b50504... Use a FixedLayout.
  65779ce... Add animations.
  e00558c... Fixed removed container and dialog methods
  3c35fdb... Fix ghost tiles.
  98e0037... Use constants for animation lengths
  f2a937c... Use gtk4 wip branches in flatpak
  64cfcaa... Small thing, to test.
  bdbd1ee... Manually disconnect signals.
  75925eb... Fix warnings.
  2afe474... Some cleanings.
  a9a3605... Fix the redo bug.

Commits added to the branch:

  8e00408... Fix translators comments. (*)
  bda661c... Improve translators comments. (*)
  b63bb58... Ensure there are two tiles of each color. (*)
  a706dc3... Avoid unclickable boards. (*)
  64b9a04... Add a "Boring Shapes" theme. (*)
  6007683... Update Ukrainian translation (*)
  5434007... snap: Updated for latest gnome snapcraft extension (*)
  509d327... Updated Spanish translation (*)
  c140485... Update Indonesian translation (*)
  b51e399... Update Romanian translation (*)
  353007f... Updated Lithuanian translation (*)
  a366bf6... Don't use unsupported vala syntax (*)
  f9e52fa... Update Catalan translation (*)
  470d6e1... Update Catalan translation (*)
  fab513d... Fix icon in Scores dialog. (*)
  b812001... help: Delete danish images: play1.png, play2.png, play3.png (*)
  ef34c11... removed old help (*)
  845cac9... added help pages (*)
  114d4fe... Updated build to work with mallard help. * use all lowercas (*)
  0e5011b... Fixes according to the reviews (#2) (*)
  d1a3f7a... Help wording changes (*)
  5f2d924... help: Fix broken markup in Mallard docs (*)
  77aec55... help: Replace ancient screenshot with 3.34 UI screenshot (*)
  56c8952... help: Replace huge application logo by a saner size (*)
  5e44465... help: Update name of localized up-to-date screenshots to C  (*)
  3cea95a... help: Remove invalid page IDs to pass "yelp-check validate" (*)
  d332b2e... Update Kazakh translation (*)
  84207e4... Update Ukrainian translation (*)
  48bb449... help: Make the screenshot translatable (*)
  622bdf0... help: Add Ukrainian to LINGUAS (*)
  69b2cbd... Update Ukrainian translation (*)
  ba93e66... Compile with Gtk4.
  7ce26c5... Drop Clutter dependency.
  cf6de42... Replace GdkScreen by GdkDisplay.
  6a9ec8a... Adapt a method.
  5396c18... No need to set events anymore.
  1ccbb57... Adapt to Box API.
  8cc9b8c... Adapt to EventController API.
  1402103... Comment waiting for MenuButton to gain active property.
  d288747... Comment a headerbar stuff.
  6dbac7b... Comment for now window destroy.
  206f223... Adapt UI files.
  dbe4568... Drop Clutter.
  7a2f30c... Use a FixedLayout.
  0c47f58... Add animations.
  8d96e65... Fixed removed container and dialog methods
  ad7b388... Fix ghost tiles.
  58b7184... Use constants for animation lengths
  dfa036c... Use gtk4 wip branches in flatpak
  8ef785b... Small thing, to test.
  02a1eaf... Manually disconnect signals.
  2028945... Fix warnings.
  2f26567... Some cleanings.
  36ce652... Fix the redo bug.
  6682d0c... Kill unused thing

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