You know whether you a beatmap's skin or hitsound is bearable or not after you play the beatmap, so it makes sense if you can disable it directly after the song without retrying and exiting or pausing right before the song ends.
As for advice for where to place this feature, I'd put it with the checkable boxes in the rankings scrollable.
As for advice for where to place this feature, I'd put it with the checkable boxes in the rankings scrollable.