Fixed error with 'hl2epp_BinocularsFOV_Goal' var

Block Activate property func from executing if tripmine is already active.

Remove no longer needed global entities.

List of changes:
* Removed no longer needed net message and renamed remaining one to follow the naming convention
* Moved global states toggling to spawn menu instead of entity spawn (it's now located in the Spawn menu -> Utilities -> Admin -> Global States)
* Switched to Entity:StartLoopingSound instead from CreateSound
* Another binoculars prediction fix
* Tripmine activation time removed. Now it activates only after selecting "Activate" property in the context menu

Fix prediction breaking intended binoculars behaviour.

Improved dissolver entity touch logic.

List of changes:
- Added zoom functionality to combine binoculars entity;
- Renamed hooks and NWVars to avoid possible collisions.

Added notification for already existing global state entity.

List of changes:
- Removed redundant code from combine lamps;
- Improved tripmine and add Global States notifications;
- Rotate combine ground turret on spawn by 180 degrees;
- Moved combine ground turret holder above entity itself.

Added slam tripmine