Fixes some things being layered under grilles and other objects (#9669)

code/game/machinery/doors/airlock_control.dm

@@ -154,9 +154,10 @@
 	return ..()
 
 /obj/machinery/airlock_sensor
+	name = "airlock sensor"
 	icon = 'icons/obj/airlock_machines.dmi'
 	icon_state = "airlock_sensor_off"
-	name = "airlock sensor"
+	layer = OBJ_LAYER
 
 	anchored = 1
 	power_channel = ENVIRON
@@ -233,9 +234,10 @@
 	command = "cycle_exterior"
 
 /obj/machinery/access_button
+	name = "access button"
 	icon = 'icons/obj/airlock_machines.dmi'
 	icon_state = "access_button_standby"
-	name = "access button"
+	layer = OBJ_LAYER
 
 	anchored = 1
 	power_channel = ENVIRON

code/game/machinery/doors/brigdoors.dm

@@ -19,6 +19,7 @@
 	icon_state = "frame"
 	desc = "A remote control for a door."
 	req_access = list(access_brig)
+	layer = OBJ_LAYER
 	anchored = 1.0    		// can't pick it up
 	density = 0       		// can walk through it.
 	var/id = null     		// id of door it controls.

code/game/machinery/embedded_controller/embedded_controller_base.dm

@@ -3,6 +3,7 @@
 
 	name = "Embedded Controller"
 	anchored = 1
+	layer = OBJ_LAYER
 
 	use_power = 1
 	idle_power_usage = 10

code/game/machinery/flasher.dm

@@ -5,6 +5,7 @@
 	desc = "A wall-mounted flashbulb device."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "mflash1"
+	layer = OBJ_LAYER
 	var/id = null
 	var/range = 2 //this is roughly the size of brig cell
 	var/disable = 0
@@ -22,6 +23,7 @@
 	name = "portable flasher"
 	desc = "A portable flashing device. Wrench to activate and deactivate. Cannot detect slow movements."
 	icon_state = "pflash1"
+	layer = OBJ_LAYER - 0.01
 	strength = 8
 	anchored = 0
 	base_state = "pflash"

code/game/machinery/status_display.dm

@@ -10,9 +10,10 @@
 // Alert status
 // And arbitrary messages set by comms computer
 /obj/machinery/status_display
+	name = "status display"
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "frame"
-	name = "status display"
+	layer = OBJ_LAYER
 	anchored = 1
 	density = 0
 	use_power = 1