mutter (3.26.1-6) unstable; urgency=high

mutter (3.26.1-6) unstable; urgency=high

  * debian/control.in: Bump libegl1-mesa-dev to (>= 17) (Closes: #878702)
  * Cherry-pick more fixes from gnome-3-26 branch to fix crashes
    and fix unredirecting full-screen windows:
    - 0012-x11-window-Don-t-manage-InputOnly-windows.patch
    - 0013-compositor-Ignore-offscreen-windows.patch
      (LP: #1725821)
    - 0015-monitor-normal-Prefer-modes-with-same-flags.patch
    - 0016-monitor-unit-tests-Check-non-first-preferred-modes.patch
      (LP: #1725153)
    - 0017-compositor-Avoid-a-crash-if-top-window-finalized.patch
    - 0018-Revert-ClutterActor-Optimize-away-idempotent-scale.patch
    - 0019-Revert-tests-Fix-actor-anchors-test.patch
      (Closes: #788140)
  * Set urgency to high to not further delay the gjs/mutter transition

[dgit import unpatched mutter 3.26.1-6]