- Fixed the issue of pillars Y-fighting with the wall

- Added reverb effects
- Removed enemy QRF by the stairs
- Removed forced explosion
- Reduced the amount of enemies and civilians
- Reduced the amount of deployment spots to four
- Changed the mission briefing

Removed the plants at the southern entrance of the building
since they're blocking the door.

Added enemy & object alternate spawn locations.

Made the briefing more readable.

Made the interior darker.
Added flickering lights and sound.
Repositioned some civilians.