Skirmish Arena - Base

# Version 43
- fixed bug where give kit volume destroys itself
- resolved shield visual bug for duals
- reduced lag spike caused when giving kits
- changed how levels/arenas are loaded
- fixed light flickering
- added 3 new arena styles
- added ice cave variant of ptera arena
- players should now be added to the same tribe upon joining bedwars
- getting invited to a 1v1 no longer cancels your queue