Fixes golem shells breaking spawners menu (#32342)

code/datums/spawners_menu.dm

@@ -40,6 +40,8 @@
 
 	var/spawner_ref = pick(GLOB.mob_spawners[params["name"]])
 	var/obj/effect/mob_spawn/MS = locate(spawner_ref) in GLOB.poi_list
+	if(!MS)
+		return
 
 	switch(action)
 		if("jump")

code/game/objects/structures/ghost_role_spawners.dm

@@ -122,10 +122,10 @@
 	golems, so that no golem may ever be forced to serve again.</b>"
 
 /obj/effect/mob_spawn/human/golem/Initialize(mapload, datum/species/golem/species = null, mob/creator = null)
-	. = ..()
-	if(species)
+	if(species) //spawners list uses object name to register so this goes before ..()
 		name += " ([initial(species.prefix)])"
 		mob_species = species
+	. = ..()
 	var/area/A = get_area(src)
 	if(!mapload && A)
 		notify_ghosts("\A [initial(species.prefix)] golem shell has been completed in \the [A.name].", source = src, action=NOTIFY_ATTACK, flashwindow = FALSE)