Rework some area layouts on both floors, add Beretta M9 spawns.

Rework bottom floor by adding more open areas, add a ban list of steam IDs (play nice!)

Reduce pre & post round time, allow firing weapons pre-round

Adjust door blueprint to be less network-dependent

Change elevator sounds to be multicast

Switch elevator logic to server-side, add tec-9 spawns

Fix reception desk UVs, reduce door opening/closing timings to 1 second

Adjust door trigger collsions to ignore bullets, adjust lighting

Revert all shitty elevator changes that broke it

Change elevator passenger collision trigger settings