Fix the default background parallax being set incorrectly when no screen is present
Fix the default background parallax being set incorrectly when no screen is present

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