[xdg-desktop-portal-gnome] (6 commits) Non-fast-forward update to branch wip/exalm/dark-wallpaper

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'wip/exalm/dark-wallpaper' 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:

  3f95c7d... wallpaper: Set dark wallpaper as well

Commits added to the branch:

  ecc3e8f... screenshotdialog: Use the heading style class (*)
  c7e027d... screenshot: Refine screenshot display (*)
  505830c... wallpaperpreview: Remove unused lockscreen styles (*)
  8e48064... wallpaperpreview: Remove .frame (*)
  54dab04... Add Abkhazian translation (*)
  84f4f86... wallpaper: Set dark wallpaper as well

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