Fix selected volume control not updating correctly on mouse move
Fix selected volume control not updating correctly on mouse move

peppy/osu-new,smoogipoo/osu,UselessToucan/osu,UselessToucan/osu,peppy/osu,peppy/osu,NeoAdonis/osu,NeoAdonis/osu,UselessToucan/osu,peppy/osu,ppy/osu,NeoAdonis/osu,smoogipoo/osu,smoogipoo/osu,ppy/osu,smoogipooo/osu,ppy/osu