[mutter] (13 commits) Non-fast-forward update to branch bilelmoussaoui/untangle-window

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

The branch 'bilelmoussaoui/untangle-window' 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:

  d84922e... meson: Split x11 option into backend/xwayland
  02d0153... cogl: Fix build without X11
  a0f2388... cogl: Unify HAS_X11/HAS_XLIB build configs
  692a31b... build: Make GLX dependent on X11
  9c14cb7... build: Add X11/XWayland config options
  6e78a85... core: Untangle meta_window_shared_new
  bb1226a... window: Move surface property to it subclasses

Commits added to the branch:

  b0a9853... Update Nepali translation (*)
  f493a78... display: Fix typo in trace message (*)
  2a3c964... display: Add method to flush a single window from the queue (*)
  b289c8f... window: Ensure window-visibility-updated is emitted when fl (*)
  bc9762e... display: Properly store later ID when adding window to queu (*)
  b27234c... startup/x11: Fix compiling without startup-notification (*)
  a81b2a4... meson: Split x11 option into backend/xwayland (*)
  9ba5106... cogl: Fix build without X11 (*)
  bd94ada... cogl: Unify HAS_X11/HAS_XLIB build configs (*)
  98f0b20... build: Make GLX dependent on X11 (*)
  e83491d... build: Add X11/XWayland config options (*)
  c56ed28... core: Untangle meta_window_shared_new
  d0a9e5f... window: Move surface property to it subclasses

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