[gnome-shell] (3 commits) Non-fast-forward update to branch wip/chergert/fix-4647

[Marge Bot <marge-bot src gnome org>]

The branch 'wip/chergert/fix-4647' 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:

  888e828... inputMethod: Clear preeditStr before reset

Commits added to the branch:

  3685cb1... Update Icelandic translation (*)
  2bcc6c0... st/icon: Ensure icons are updated if theme node is invalid (*)
  380d2db... inputMethod: Clear preeditStr before reset

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