Porting "Moves machine/computer frames and structures below object layer." and lowering trays layer.

code/game/objects/structures/crates_lockers/closets.dm

@@ -4,7 +4,6 @@
 	icon = 'icons/obj/closet.dmi'
 	icon_state = "generic"
 	density = TRUE
-	layer = BELOW_OBJ_LAYER
 	var/icon_door = null
 	var/icon_door_override = FALSE //override to have open overlay use icon different to its base's
 	var/secure = FALSE //secure locker or not, also used if overriding a non-secure locker with a secure door overlay to add fancy lights