Disable presenting beatmaps during quick play

[smoogipoo]

Fixes #35353
Fixes #35328

This is a bit of a workaround. It touches on two issues:

PerformFromMenuRunner will continuously try to exit the current screen. If the "are you sure you want to exit multiplayer" dialog remains open until the player loader, it will exit the player loader screen. This can be simulated with this patch: https://gist.github.com/smoogipoo/b4ed97ce99e350ed16b6ed036b299b11 (press the spectate button on an autostart room and wait until player loader before pressing cancel).

I'm not sure how to fix this yet.

The second issue is that any sort of import notification will give you a "X has been imported, click to view" button, which really shouldn't exist in quick play. This one goes deep and I'm not sure how to resolve it from every possible case of import (e.g. dragging files into the game).

By disabling beatmap presents, we effectively make both of the above operations into no-ops.

[peppy]

I think this is fine.