AI Multicamera mode (#37695)

* Added multicamera mode for AIs

* Minor multicamera fixes

* Cameras near an AI multicamera eye now light up red

* Disabled AI multicamera mode without admin intervention

* Fixed AIs being able to use multicamera mode when they should not

code/modules/lighting/lighting_object.dm

@@ -11,8 +11,6 @@
 	layer            = LIGHTING_LAYER
 	invisibility     = INVISIBILITY_LIGHTING
 
-	blend_mode       = BLEND_ADD
-
 	var/needs_update = FALSE
 	var/turf/myturf