Changes the revolver obtained from gatfruit to an overgrown revolver (#21320)

* gatfruit more like gattofruit

* increases max ammo to 8

* bio is not a valid research

* small issue

* adds a missing space

* gatfruit takes time to open now

* Sirryan's request

* adds the sprite

* lewcc review + sprites

* ghhhhhh

* sprites are working

code/modules/projectiles/projectile/bullets.dm

@@ -158,6 +158,12 @@
 		M.adjust_fire_stacks(1)
 		M.IgniteMob()
 
+/obj/item/projectile/bullet/midbullet3/overgrown
+	icon = 'icons/obj/ammo.dmi'
+	item_state = "peashooter_bullet"
+	icon_state = "peashooter_bullet"
+	damage = 25
+
 /obj/item/projectile/bullet/heavybullet
 	damage = 35