[Merge] ~vanvugt/ubuntu/+source/mutter:fix-1809407-eoan into ~ubuntu-desktop/ubuntu/+source/mutter:ubuntu/master

[Daniel van Vugt]

Forget this MP. A simpler version has now landed in mutter master, so we'll get the fix from there.
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https://code.launchpad.net/~vanvugt/ubuntu/+source/mutter/+git/mutter/+merge/368536
Your team Ubuntu Desktop is requested to review the proposed merge of ~vanvugt/ubuntu/+source/mutter:fix-1809407-eoan into ~ubuntu-desktop/ubuntu/+source/mutter:ubuntu/master.