With newer versions of Mesa, a test in ensure_bits_initialized fails. Fixed
upstream in newer versions of mutter. See
<https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3047>.
* gnu/packages/gnome.scm (mutter)[source]: Add patch.
* gnu/packages/patches/mutter-fix-inverted-test.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
