[gnome-shell] (12 commits) Non-fast-forward update to branch wip/exalm/dark-3

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/dark-3' 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:

  1ec117c... background: Support dark wallpapers

Commits added to the branch:

  1944af4... calendar: Use symbolic icon for No Notifications (*)
  beb9afc... Update Ukrainian translation (*)
  b2fa3ad... style: Fix rounded button corners in RTL (*)
  4de96ac... theme: Papercut fixes from 42 refresh (*)
  0cbab09... dbusServices/notifications: Stop broadcasting signals (*)
  35466b0... dbusServices/notifications: Disallow acting on "foreign" ID (*)
  d0643d4... Update Chinese (China) translation (*)
  543ec6a... Updated Lithuanian translation (*)
  a92f749... lookingGlass: Turn toolbar icons into actual buttons (*)
  d9f3596... lookingGlass: Fix visual papercuts (*)
  bc326c3... Update Portuguese translation (*)
  c83d924... background: Support dark wallpapers

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