Machinery: Always use update_use_power()

code/game/objects/structures/holoplant.dm

@@ -48,13 +48,13 @@
 	plant = prepare_icon(emagged ? "emagged" : null)
 	overlays += plant
 	set_light(2)
-	use_power = 2
+	use_power = USE_POWER_ACTIVE
 
 /obj/machinery/holoplant/proc/deactivate()
 	overlays -= plant
 	QDEL_NULL(plant)
 	set_light(0)
-	use_power = 0
+	use_power = USE_POWER_OFF
 
 /obj/machinery/holoplant/power_change()
 	..()

code/game/objects/structures/watercloset.dm

@@ -124,7 +124,7 @@
 	icon_state = "shower"
 	density = 0
 	anchored = 1
-	use_power = 0
+	use_power = USE_POWER_OFF
 	var/on = 0
 	var/obj/effect/mist/mymist = null
 	var/ismist = 0				//needs a var so we can make it linger~