Enforce non-null for BeatmapManager WorkingBeatmap resources
Enforce non-null for BeatmapManager WorkingBeatmap resources

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