Adds vegan cake batter for its chemical reaction (#94679)

## About The Pull Request
- Fixes #94653

Vegan cake batter? Whaa..?

## Changelog
🆑
fix: vegan cake batter is correctly vegan and has no dairy.
/🆑

code/game/objects/items/food/cake.dm

@@ -46,10 +46,26 @@
 	tastes = list("sweetness" = 2, "cake" = 5)
 	foodtypes = GRAIN | DAIRY | SUGAR
 	slice_type = /obj/item/food/cakeslice/plain
+	///ingredient holder for this cake
+	VAR_PROTECTED/cake_holder = /obj/item/food/cake/empty
 
 /obj/item/food/cake/plain/Initialize(mapload)
 	. = ..()
-	AddComponent(/datum/component/ingredients_holder, /obj/item/food/cake/empty, CUSTOM_INGREDIENT_ICON_FILL, max_ingredients = 16)
+	AddComponent(/datum/component/ingredients_holder, cake_holder, CUSTOM_INGREDIENT_ICON_FILL, max_ingredients = 16)
+
+/obj/item/food/cake/plain/vegan
+	name = "vegan plain cake"
+	desc = "A plain vegan cake, not a lie."
+	tastes = list("cake" = 5)
+	foodtypes = GRAIN
+	cake_holder = /obj/item/food/cake/empty/vegan
+	slice_type = /obj/item/food/cakeslice/plain/vegan
+
+/obj/item/food/cakeslice/plain/vegan
+	name = "plain vegan cake slice"
+	desc = "Just a slice of vegan cake, it is enough for everyone."
+	tastes = list("cake" = 5)
+	foodtypes = GRAIN
 
 /obj/item/food/cakeslice/plain
 	name = "plain cake slice"
@@ -75,6 +91,17 @@
 	. = ..()
 	AddComponent(/datum/component/ingredients_holder, null, CUSTOM_INGREDIENT_ICON_FILL, max_ingredients = 16)
 
+/obj/item/food/cake/empty/vegan
+	name = "vegan cake"
+	desc = "A custom vegan cake made by an really insane chef."
+	foodtypes = GRAIN
+	slice_type = /obj/item/food/cakeslice/empty/vegan
+
+/obj/item/food/cakeslice/empty/vegan
+	name = "vegan cake slice"
+	desc = "A slice of custom vegan cake, made by an really insane chef."
+	foodtypes = GRAIN
+
 /obj/item/food/cake/carrot
 	name = "carrot cake"
 	desc = "A favorite desert of a certain wascally wabbit. Not a lie."

code/game/objects/items/food/dough.dm

@@ -96,6 +96,14 @@
 /obj/item/food/cakebatter/make_processable()
 	AddElement(/datum/element/processable, TOOL_ROLLINGPIN, /obj/item/food/piedough, 1, 3 SECONDS, table_required = TRUE, screentip_verb = "Flatten", sound_to_play = SFX_ROLLING_PIN_ROLLING)
 
+/obj/item/food/cakebatter/vegan
+	name = "vegan cake batter"
+	desc = "Bake it to get a vegan cake?."
+	foodtypes = GRAIN
+
+/obj/item/food/cakebatter/vegan/make_bakeable()
+	AddComponent(/datum/component/bakeable, /obj/item/food/cake/plain/vegan, rand(70 SECONDS, 90 SECONDS), TRUE, TRUE)
+
 /obj/item/food/piedough
 	name = "pie dough"
 	desc = "Cook it to get a pie."

code/modules/food_and_drinks/recipes/food_mixtures.dm

@@ -209,6 +209,7 @@
 
 /datum/chemical_reaction/food/cakebatter/vegan
 	required_reagents = list(/datum/reagent/consumable/soymilk = 15, /datum/reagent/consumable/flour = 15, /datum/reagent/consumable/sugar = 5)
+	resulting_food_path = /obj/item/food/cakebatter/vegan
 
 /datum/chemical_reaction/food/pancakebatter
 	results = list(/datum/reagent/consumable/pancakebatter = 15)

code/modules/food_and_drinks/recipes/tablecraft/recipes_guide.dm

@@ -131,6 +131,7 @@
 /datum/crafting_recipe/food/reaction/cakebatter/vegan
 	name = "Cake batter (vegan)"
 	reaction = /datum/chemical_reaction/food/cakebatter/vegan
+	result = /obj/item/food/cakebatter/vegan
 
 /datum/crafting_recipe/food/reaction/pancakebatter
 	result = /datum/reagent/consumable/pancakebatter