Reduce texture size on some objects to reduce download size

Remove elevator attachment cast, rework D-Class processing area layout

Add elevator pawn parenting, change sound value attenuation on doors, reduce elevator time

Added physic materials to everything. Hopefully wallbanging is reduced.

Adjust layout, fix elevator clipping, give detectives a bit of armor

Changed elevator movement to be done through repnotify, added continuous collision checking

Add more weapon spawns, add elevator desync sign, try to fix elevator movement glitching

Change wall & floor collisions, adjust spawns, fix clipping on elevator door

Adjusted some layouts, add AK12 spawns & reduce weapon & utility spawns