Updated randomat base

Updated randomat base, added modelchange event category

Changed to better meme gun check

Snails randomat will use the meme gun weapon instead if that is installed

- Added music convar to 'fire sale'
- Snails event music now only plays for 1 loop

Moved "Drink up!" event to pack 2

Updated randomat base and fixed lua error in base function

Fixed macklunkey randomat not displaying the jester correctly or removing role weapons

Renamed rocket chicken randomat to 'Combo: KFC'

- Major code cleanup to all randomats that check for incompatible roles
- All randomats that change someone's incompatible role will now display an alert to the player, and if they were changed to the traitor team, an alert to all traitors that the extra traitor player is not the glitch