fixes foam dart gc issues (#20273)

* fixes foam dart gc issues

* meh

code/modules/projectiles/guns/projectile/shotgun.dm

@@ -69,7 +69,7 @@
 
 /obj/item/gun/projectile/shotgun/proc/pump_reload(mob/M)
 	if(!magazine.ammo_count())
-		return 0
+		return FALSE
 	var/obj/item/ammo_casing/AC = magazine.get_round() //load next casing.
 	chambered = AC
 

code/modules/projectiles/guns/projectile/toy.dm

@@ -75,6 +75,10 @@
 	if(chambered && !chambered.BB)
 		qdel(chambered)
 
+/obj/item/gun/projectile/shotgun/toy/process_fire(atom/target, mob/living/user, message = 1, params, zone_override, bonus_spread = 0)
+	. = ..()
+	chambered = null
+
 /obj/item/gun/projectile/shotgun/toy/crossbow
 	name = "foam force crossbow"
 	desc = "A weapon favored by many overactive children. Ages 8 and up."