Gives the Brig Physician medical comms (#15450)

* BP Medical channel

* And the spare headset too

code/game/jobs/job/security.dm

@@ -213,7 +213,7 @@
 	uniform = /obj/item/clothing/under/rank/security/brigphys
 	suit = /obj/item/clothing/suit/storage/fr_jacket
 	shoes = /obj/item/clothing/shoes/white
-	l_ear = /obj/item/radio/headset/headset_sec/alt
+	l_ear = /obj/item/radio/headset/headset_sec/alt/brig_phys
 	glasses = /obj/item/clothing/glasses/hud/health/sunglasses
 	id = /obj/item/card/id/security
 	suit_store = /obj/item/flashlight/pen

code/game/objects/items/devices/radio/headset.dm

@@ -128,6 +128,10 @@
 	icon_state = "sec_headset_alt"
 	item_state = "sec_headset_alt"
 
+/obj/item/radio/headset/headset_sec/alt/brig_phys
+	name = "brig physician bowman headset"
+	ks1type = /obj/item/encryptionkey/headset_med
+
 /obj/item/radio/headset/headset_iaa
 	name = "internal affairs bowman headset"
 	desc = "This is used by your elite legal team. Protects ears from flashbangs."

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

@@ -218,7 +218,7 @@
 	new /obj/item/clothing/suit/storage/brigdoc(src)
 	new /obj/item/clothing/under/rank/security/brigphys(src)
 	new /obj/item/clothing/shoes/white(src)
-	new /obj/item/radio/headset/headset_sec/alt(src)
+	new /obj/item/radio/headset/headset_sec/alt/brig_phys(src)
 	new /obj/item/clothing/shoes/sandal/white(src)