Fixes lab coat without icon.

Simply by changing it to the new labcoat variant that can be closed/opened.
Still created a proper definition for the old lab coat, /obj/item/clothing/suit/storage/labcoat, as it's inherited by custom gear.

code/modules/awaymissions/corpse.dm

@@ -139,7 +139,7 @@
 	name = "Doctor"
 	corpseradio = /obj/item/device/radio/headset/headset_med
 	corpseuniform = /obj/item/clothing/under/rank/medical
-	corpsesuit = /obj/item/clothing/suit/storage/labcoat
+	corpsesuit = /obj/item/clothing/suit/storage/toggle/labcoat
 	corpseback = /obj/item/weapon/storage/backpack/medic
 	corpsepocket1 = /obj/item/device/flashlight/pen
 	corpseshoes = /obj/item/clothing/shoes/black

code/modules/client/preferences_gear.dm

@@ -507,7 +507,7 @@ var/global/list/gear_datums = list()
 
 /datum/gear/labcoat
 	display_name = "labcoat"
-	path = /obj/item/clothing/suit/storage/labcoat
+	path = /obj/item/clothing/suit/storage/toggle/labcoat
 	cost = 3
 	slot = slot_wear_suit
 

code/modules/customitems/item_defines.dm

@@ -849,13 +849,17 @@
 		icon_state = "bottle[color]"
 
 //////////// Suits ////////////
+/obj/item/clothing/suit/storage/labcoat
+	name = "labcoat"
+	desc = "A plain labcoat."
+	icon_state = "labcoat"
+	body_parts_covered = UPPER_TORSO|LOWER_TORSO|ARMS|LEGS
 
 /obj/item/clothing/suit/storage/labcoat/fluff/aeneas_rinil //Robotics Labcoat - Aeneas Rinil [APPR]
 	name = "Robotics labcoat"
 	desc = "A labcoat with a few markings denoting it as the labcoat of roboticist."
 	icon = 'icons/obj/custom_items.dmi'
 	icon_state = "aeneasrinil"
-	body_parts_covered = UPPER_TORSO|LOWER_TORSO|ARMS|LEGS
 
 /obj/item/clothing/suit/storage/labcoat/fluff/pink //spaceman96: Trenna Seber
 	name = "pink labcoat"