[gnome-shell] (21 commits) Non-fast-forward update to branch wip/carlosg/sanitize-gestures

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/sanitize-gestures' 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:

  c7a26f4... swipeTracker: Set up TouchSwipeGesture in the capture phase
  2e4f4b6... windowManager: Set up unfullscreen/app-switch gestures in t

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 (*)
  7f77b6f... welcomeDialog: Fix title translation (*)
  c0b8938... Update Croatian translation (*)
  82e16a2... Add screen protect status icons (*)
  a3dcdaa... screenshot: Unrestrict PickColor (*)
  4d1ce0d... notificationDaemon: Fix sound-file support (*)
  5d5bfe4... unlockDialog: Don't create AuthDialog just to finish it (*)
  ceee53a... unlockDialog: Properly reset auth prompt when showing it (*)
  4e5ddc5... ci: Install mutter again on coverity job (*)
  c1c0b34... Updated Czech translation (*)
  ddb6276... st/password-entry: Fix crash when DConf changes after StEnt (*)
  2dcbf5f... theme: Fix high-contrast switches (*)
  7bde02c... Post-branch mutter API bump (*)
  7e5ee2c... extensionSystem: Get rid of _enabled boolean optimization (*)
  242cff7... extensionSystem: Allow extensions to run on the login scree (*)
  2bf31dc... sessionMode: Allow extensions at the login and unlock scree (*)
  d7b1264... sessionMode: Drop allowExtensions property (*)
  7abdd1b... swipeTracker: Set up TouchSwipeGesture in the capture phase
  9c8f067... windowManager: Set up unfullscreen/app-switch gestures in t

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