Porting tesla/electrocute code updates. (#12280)

* Porting tesla/electrocute code updates.

* Why is the dominator being insta-deleted by zaps a good idea?

* Yikes.

* ah

code/modules/power/lighting.dm

@@ -687,9 +687,9 @@
 	on = TRUE
 	update()
 
-/obj/machinery/light/tesla_act(power, tesla_flags)
-	if(tesla_flags & TESLA_MACHINE_EXPLOSIVE)
-		explosion(src,0,0,0,flame_range = 5, adminlog = 0)
+/obj/machinery/light/zap_act(power, zap_flags)
+	if(zap_flags & ZAP_MACHINE_EXPLOSIVE)
+		explosion(src,0,0,0,flame_range = 5, adminlog = FALSE)
 		qdel(src)
 	else
 		return ..()