Enables AI Multicam in Config and Adds an Admin Verb (#8030)

* enables AI multicam in config options and gives it a button

* prevents AI players from getting stuck in multicam if turned off mid-multicam

code/modules/mob/living/silicon/ai/ai.dm

@@ -86,7 +86,7 @@
 	var/datum/action/innate/deploy_last_shell/redeploy_action = new
 	var/chnotify = 0
 
-	var/multicam_allowed = FALSE
+	
 	var/multicam_on = FALSE
 	var/obj/screen/movable/pic_in_pic/ai/master_multicam
 	var/list/multicam_screens = list()

code/modules/mob/living/silicon/ai/multicam.dm

@@ -194,7 +194,7 @@ GLOBAL_DATUM(ai_camera_room_landmark, /obj/effect/landmark/ai_multicam_room)
 //AI procs
 
 /mob/living/silicon/ai/proc/drop_new_multicam(silent = FALSE)
-	if(!multicam_allowed)
+	if(!CONFIG_GET(flag/allow_ai_multicam))
 		if(!silent)
 			to_chat(src, "<span class='warning'>This action is currently disabled. Contact an administrator to enable this feature.</span>")
 		return
@@ -213,7 +213,7 @@ GLOBAL_DATUM(ai_camera_room_landmark, /obj/effect/landmark/ai_multicam_room)
 	return C
 
 /mob/living/silicon/ai/proc/toggle_multicam()
-	if(!multicam_allowed)
+	if(!CONFIG_GET(flag/allow_ai_multicam))
 		to_chat(src, "<span class='warning'>This action is currently disabled. Contact an administrator to enable this feature.</span>")
 		return
 	if(multicam_on)