Prevents spawning of off-station mobs (#20538)

* no more syndicate cow

* i swear I commited this the first time

code/modules/mob/mob.dm

@@ -1169,6 +1169,8 @@ GLOBAL_LIST_INIT(slot_equipment_priority, list( \
 	if((usr in GLOB.respawnable_list) && (stat == DEAD || isobserver(usr)))
 		var/list/creatures = list("Mouse")
 		for(var/mob/living/simple_animal/L in GLOB.alive_mob_list)
+			if(!(is_station_level(L.z) || is_admin_level(L.z))) // Prevents players from spawning in space
+				continue
 			if(L.npc_safe(src) && L.stat != DEAD && !L.key)
 				creatures += L
 		var/picked = input("Please select an NPC to respawn as", "Respawn as NPC")  as null|anything in creatures