Don't apply exclusive zones of unmapped layer-shell surfaces
Don't apply exclusive zones of unmapped layer-shell surfaces

Backport of [1].

[1]: https://github.com/emersion/rootston/pull/15/files

1ace/sway,ascent12/sway,1ace/sway,ascent12/sway,1ace/sway,SirCmpwn/sway,ascent12/sway