Fixed trigger brush not tied to entity and non-working security door handle

Changed Lighting, doors, rooftop elevator, exit signs, emergency exit, fixed some security flaws

Sprites on 1st, 2nd & partially 3rd floor, added helipad (lights and decal), window/door frames on 2nd floor, more optimization

Ladders, fixed security buttons/lock, replaced spawn points, first floor window/door frames and glass, 3rd floor security door

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