[MIRROR] Makes wheat and meatwheat wearable (#2338)

* Makes wheat and meatwheat wearable (#81874)

## About The Pull Request
Makes it so you can wear wheat and meatwheat in your mask slot, so you
can truly live out your dreams of being a farmer on a space station.
Draft while I sort out some issues

Wheat on the left, meatwheat on the right

![wheat_preview](https://github.com/tgstation/tgstation/assets/42454181/2e81b29e-b0f4-4fc0-8035-0acbde199e3a)
## Why It's Good For The Game
The fact this wasn't already possible is, frankly, a crime.
## Changelog
:cl:
add: Wheat and meatwheat can now be worn in the mask slot. Farmers
rejoice!
/:cl:

* Makes wheat and meatwheat wearable

---------

Co-authored-by: NovaBot <[email protected]>
Co-authored-by: Nick <[email protected]>

code/modules/hydroponics/grown/cereals.dm

@@ -25,6 +25,8 @@
 	grind_results = list(/datum/reagent/consumable/flour = 0)
 	tastes = list("wheat" = 1)
 	distill_reagent = /datum/reagent/consumable/ethanol/beer
+	slot_flags = ITEM_SLOT_MASK
+	worn_icon = 'icons/mob/clothing/head/hydroponics.dmi'
 
 // Oat
 /obj/item/seeds/wheat/oat
@@ -93,6 +95,8 @@
 	grind_results = list(/datum/reagent/consumable/flour = 0, /datum/reagent/blood = 0)
 	tastes = list("meatwheat" = 1)
 	can_distill = FALSE
+	slot_flags = ITEM_SLOT_MASK
+	worn_icon = 'icons/mob/clothing/head/hydroponics.dmi'
 
 /obj/item/food/grown/meatwheat/attack_self(mob/living/user)
 	user.visible_message(span_notice("[user] crushes [src] into meat."), span_notice("You crush [src] into something that resembles meat."))