Re-enable custom game settings

[nukeulater]

Were removed due to performance issues with the old "custom packets", now should be fine.
I don't have time to do this at the moment.

[General-101]

You shouldn't renable this until this has a way to tell me that you have this shit enabled in a reports video IMO.

[demonsako]

Imagine if you can use icons in variant names without hex editing. Maybe add one of those when you enable them? Idk...