Fix potential nullref if mods are never set
Fix potential nullref if mods are never set

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