[Merge] ~3v1n0/ubuntu/+source/gnome-shell:ubuntu/bionic into ~ubuntu-desktop/ubuntu/+source/gnome-shell:ubuntu/bionic

[Iain Lane]

Review: Approve

uploaded, thanks! please could you SRUify bug #1718931?
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https://code.launchpad.net/~3v1n0/ubuntu/+source/gnome-shell/+git/gnome-shell/+merge/349984
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