Koko Reed Cigarettes + Ha'zana Chewing Koko Spritefix (#21295)

Adds new cigarettes to the loadout & vending machines that contain Koko
Reed.
Adds sprites for the new cigarette packets
<img width="879" height="100" alt="image"
src="https://github.com/user-attachments/assets/10edcbb7-81c2-405d-8e56-f09f10d24ee3"
/>

Fixes the existing sprite for Ha'zana chewing koko so that it no longer
has the colour scheme of the k'ois bar.
<img width="261" height="114" alt="image"
src="https://github.com/user-attachments/assets/14d853e7-53ee-42df-84e2-4ff6ed366499"
/>

To Do: 
~~- Get approval from Unathi Lore~~
~~- Figure out a cool name for the cigarettes~~

---------

Co-authored-by: Crozarius <cowsgomooand@gmail.com>

code/game/objects/items/weapons/cigs_lighters.dm

@@ -453,6 +453,11 @@ ABSTRACT_TYPE(/obj/item/clothing/mask/smokable)
 		/singleton/reagent/mental/caromeg = 5
 	)
 
+/obj/item/clothing/mask/smokable/cigarette/koko
+	name = "unathi cigarette"
+	desc = "An Unathi cigarette made with koko reed."
+	reagents_to_add = list(/singleton/reagent/mental/kokoreed = 15)
+
 ////////////
 // CIGARS //
 ////////////

code/game/objects/items/weapons/storage/fancy.dm

@@ -439,6 +439,13 @@
 	item_state = "Fpacket"
 	cigarette_to_spawn = /obj/item/clothing/mask/smokable/cigarette/oracle
 
+/obj/item/storage/box/fancy/cigarettes/koko
+	name = "\improper Ha'zana Corsair Afterburners cigarette packet"
+	desc = "Made exclusively on the Compact ruled world of Ha'zana, these cigarettes are made using koko reed instead of tobacco; a good pick-me-up for Unathi, but has no effect on other species."
+	icon_state = "kokopacket"
+	item_state = "kokopacket"
+	cigarette_to_spawn = /obj/item/clothing/mask/smokable/cigarette/koko
+
 /obj/item/storage/box/fancy/cigarettes/case
 	name = "cigarette case"
 	desc = "A simple cigarette case for the aspiring chain-smoker."