Move `RealmRulesetStore` initial work off incorrect thread
Move `RealmRulesetStore` initial work off incorrect thread

NeoAdonis/osu,smoogipoo/osu,peppy/osu,NeoAdonis/osu,ppy/osu,peppy/osu,smoogipoo/osu,ppy/osu,NeoAdonis/osu,smoogipoo/osu,ppy/osu,peppy/osu,smoogipooo/osu