Proot b6c-alt2

- added back a crate that was meant to be mirrored on red side

- alternative version made on request, that's about it

- ok i actually fixed it now

- fixed red players spawning in blue spawn

- re-artpassed everything
- reworked the sniper balconies
- optimized stuff just a teency bit
- clipping pass for that re-artpass
- lowered sh4rt spot

- fixed a weird displacement movement issue

- fixed a fence not appearing anymore

- hotfix for a bug that let red team enter blu spawn (thanks clark for the heads up)

fixed up a bunch of minor issues (thanks JackyLegs for most of these):
- made most fence and window clips blockbullets for more consistent splash damage
- clipped a few bits i missed earlier
- remade the spawns to be more in-line with product and other comp koth maps
- other stuff i can't remember atm

changed around ammo a bit to better suit spies