Fix column lights positioned incorrectly
Fix barlines scrolling at different speeds in legacy skins
Implement column width/spacing
Refactor mania skin elements to make them use a consistent style
Add mania hold note skinning
Add mania note skinning
Remove ScaleDownToFit as it was implemented without enough safety
Add mania key area skinning
Add mania column background skinning
Fix animated follow points not (re)animating after rewind
Fix osu!catch catcher hit area being too large
Implement basis for mania skinning