Ports /tg/ spatial grid system, refactors telecomms, destroys lag (#15140)

code/modules/psionics/events/mini_spasm.dm

@@ -23,7 +23,7 @@
 /datum/event/minispasm/start()
 	var/list/victims = list()
 	for(var/obj/item/device/radio/radio in listening_objects)
-		if(radio.on)
+		if(radio.is_on())
 			for(var/mob/living/victim in range(radio.canhear_range, radio.loc))
 				if(isnull(victims[victim]) && victim.stat == CONSCIOUS && !isdeaf(victim))
 					victims[victim] = radio