Wayland: Support integer scaling without wp_fractional_scale (#8886)

Release Notes:
- N/A

`DoubleBuffered` is not currently very necessary because we only care
about a single field `OutputState::scale` but I think it can be useful
for other objects as it's a fairly common pattern in wayland.
c8e03ce42abbb651 committed on 3/7/2024, 2:13:23 AM· committed by GitHubparent74e7611
2 files changedLine totals unavailable