We allow fractional scaling per display if supported or rather enabled
Fractional scaling is still disabled by default so the fractional scales will not show up in the dropdown by default.
To enable it add 'scale-monitor-framebuffer' to the mutter experimental settings
This PR brings multiple improvements:
Fractional scaling is still disabled by default so the fractional scales will not show up in the dropdown by default. To enable it add 'scale-monitor-framebuffer' to the mutter experimental settings
Fixes #117