[mutter] (45 commits) Non-fast-forward update to branch benzea/xwayland-non-systemd-startup

[Benjamin Berg <bberg src gnome org>]

The branch 'benzea/xwayland-non-systemd-startup' 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:

  18388a1... main: Force Xwayland startup if not on systemd

Commits added to the branch:

  b770ea6... background-content: Optimize rounded clipping shader a bit (*)
  42d614f... backend-native: Add non-functional 'headless' mode (*)
  3091cd8... native: Rename MetaMonitorManagerKms to MetaMonitorManagerN (*)
  fd4ea67... native: Add abstract MetaOutputNative object (*)
  074d4f3... output/kms: Make EDID be read via MetaOutputNative object (*)
  c4a422b... crtc/kms: Add an abstract MetaCrtcNative that sits under Me (*)
  7c25953... kms/impl-device: Make non-abstract types explicitly init mo (*)
  34b0f9c... kms/device: Move universal plane cap check to mode set init (*)
  59a10cd... monitor-manager/native: Allow starting without outputs when (*)
  0786f44... seat/impl: Make it possible to run without libinput (*)
  739283d... backend/native: Add getter for is-headless state (*)
  ee4e78b... kms: Add way to run without mode setting (*)
  1e2ef90... backend/native: Hook up 'headless' mode to input and KMS su (*)
  9bf57f8... main: Make it possible to set properties when overriding co (*)
  78ba142... tests: Add headless native backend test (*)
  19c4667... renderer/native: Downgrade warning to message about no hw-a (*)
  6aef4b3... monitor: Attach to backend instead of GPU (*)
  b91740d... crtc/kms: Make the 'transform-handled' API pass through Met (*)
  47a6725... monitor: Unset output monitor when disposing (*)
  a0e4f52... workspace: Nag less about tiny but sane work areas (*)
  b31a639... backend: Add 'prepare-shutdown' signal (*)
  c8089f0... backend: Only show cursor when showing stage if pointer is  (*)
  ba38057... plugins/default: Initialize background color in a predictab (*)
  e7ae197... kms/connector: Don't use MetaConnectorType for connector ty (*)
  1818d21... Introduce virtual monitors (*)
  d7ce6a4... tests: Add reference test framework (*)
  51ff51c... tests: Add virtual monitor tests (*)
  005c490... main: Add --virtual-monitor argument (*)
  9b1b4eb... clutter: Expose 'capture_view_into()` as API (*)
  688280f... remote-desktop/session: Handle unable to transform coordina (*)
  cf5836a... screen-cast/src: Add helper to close stream after dispatch (*)
  2fbde28... screen-cast/src: Allow for source with adaptive stream size (*)
  74ab212... screen-cast/session: Introduce RecordVirtual D-Bus API (*)
  1940cd7... tests: Add tests for virtual screen cast source (*)
  ee4a0da... tests: Add persistent virtual monitor test (*)
  634c948... native: Add headless mode using surfaceless EGL context (*)
  2be09ce... ci: Run whole run-tests.sh in a D-Bus session (*)
  e52fdad... ci/run-tests: Call set -e instead of set +e (*)
  3d2d5cd... ci: Enable native backend and screen cast tests (*)
  75cff03... Update Ukrainian translation (*)
  56fc091... clutter/frame-clock: Evenly space updates when presentation (*)
  236e9ec... wayland/window: Correct detection whether to send `configur (*)
  330609e... backends/input-settings: Don't bind mouse GSettings to Clut (*)
  7c6860d... Updated French translation (*)
  19cdbd5... main: Force Xwayland startup if not on systemd

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