adds additional deertaur belly sprites. (#18364)

* adds additional deertaur belly sprites.

* Suggested edit to update_icons.dm

code/modules/mob/living/carbon/human/update_icons.dm

@@ -1007,6 +1007,8 @@ GLOBAL_LIST_EMPTY(damage_icon_parts) //see UpdateDamageIcon()
 	if(tail_layer == TAIL_UPPER_LAYER)
 		tail_layer = tail_layering
 
+	update_vore_tail_sprite()
+
 	var/obj/item/organ/external/chest = organs_by_name[BP_TORSO]
 
 	var/image/tail_image = get_tail_image()

code/modules/mob/new_player/sprite_accessories_taur.dm

@@ -412,7 +412,7 @@
 	loaf_offset = 7
 	vore_tail_sprite_variant = "Deer"
 	belly_variant_when_loaf = TRUE
-	fullness_icons = 1
+	fullness_icons = 3
 
 	msg_owner_disarm_run = "You quickly push %prey to the ground with your hoof!"
 	msg_prey_disarm_run = "%owner pushes you down to the ground with their hoof!"