I want a toggle for Claws that makes window notes more achievable / fun

[SteffanDonal]

The idea is that when the toggle is enabled, only the "end note" for window notes is shown / judged. The "start note" is completely removed.

IE:
> > converts to   >

This should make a lot of new, difficult maps actually playable with Claws. A possible extension to this is to include 3-wide sliders in the toggle, converting them to 2-wide: >>> to  >>

The score achieved at the end should still show the actual full combo; effectively making FCs impossible with this toggle enabled.
As this would modify the map, it'll need to disable score submission when enabled, and probably can't work for multiplayer.

[SteffanDonal]

See: https://github.com/Kylemc1413/DiffReducer/blob/master/NoteSwing.cs