Fix song select background not showing in multiplayer/playlists
Fix song select background not showing in multiplayer/playlists

The screen was now being loaded against incorrect dependencies. I'm not
sure why I thought it wasn't possible to just do the `Push` in
`LoadComplete` as it seems to work without issue this time...

Closes #13974.

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