Addresses https://github.com/ppy/osu/discussions/35732. And yes, I renamed "perfect curve threshold" to "bias" so that the text can fit. Sue me.
This reverts commit d7d569cf4e.
d7d569cf4e
While osu!catch also implements a distance snap grid, it doesn't rely on `GetBeatSnapDistanceAt` (unlike osu!), therefore it can't have the "distance spacing" multiplier yet.