[gnome-games] (16 commits) Non-fast-forward update to branch wip/exalm/headerbar

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/headerbar' 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:

  8d2a474... css: Make headerbar in fullscreen transparent

Commits added to the branch:

  bbf52aa... game-icon-view: Add a checkbox in an overlay (*)
  292ee9e... games-page: Add support for selection-mode (*)
  23e0660... collection-view: Add selection button to headerbar (*)
  c35371d... Update Ukrainian translation (*)
  8719641... collection-view: Disable selection button in empty state (*)
  486597d... game-icon-view: Add spacing between the title and thumbnail (*)
  1a0c101... Updated Spanish translation (*)
  10e7be6... flatpak: Update pcsx-rearmed tests (*)
  7db31ff... snapshots-list: Set hscrollbar-policy to never (*)
  5c6249d... Introduce CairoBlur for blurring cairo surfaces (*)
  86a33fe... cover-loader: Use blurred background for covers (*)
  6e5ed7c... css: Update game thumbnail style (*)
  fc3731b... cover-loader: optimize blurring of background (*)
  6d998e3... cover-loader: Have separate cache for different scale facto (*)
  6b19b56... cover-loader: Draw thicker line on hidpi (*)
  de4ea49... css: Make headerbar in fullscreen transparent

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