[Merge] ~3v1n0/ubuntu/+source/gnome-session:ubuntu/master-migrate-settings-to-yaru into ~ubuntu-desktop/ubuntu/+source/gnome-session:ubuntu/master

[Didier Roche]

and merged, based on top of my current work as well (and pushed 3.30)
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https://code.launchpad.net/~3v1n0/ubuntu/+source/gnome-session/+git/gnome-session/+merge/354136
Your team Ubuntu Desktop is requested to review the proposed merge of ~3v1n0/ubuntu/+source/gnome-session:ubuntu/master-migrate-settings-to-yaru into ~ubuntu-desktop/ubuntu/+source/gnome-session:ubuntu/master.