Adds proper containers for some locates (#2080)

code/game/gamemodes/nuclear/nuclearbomb.dm

@@ -83,7 +83,7 @@
 
 /obj/machinery/nuclearbomb/syndicate/Initialize()
 	. = ..()
-	var/obj/machinery/nuclearbomb/existing = locate("syndienuke")
+	var/obj/machinery/nuclearbomb/existing = locate("syndienuke") in GLOB.nuke_list
 	if(existing)
 		qdel(src)
 		throw EXCEPTION("Attempted to spawn a syndicate nuke while one already exists at [existing.loc.x],[existing.loc.y],[existing.loc.z]")

code/game/gamemodes/nuclear/pinpointer.dm

@@ -89,7 +89,7 @@
 		return
 	switch(mode)
 		if(TRACK_NUKE_DISK)
-			var/obj/item/weapon/disk/nuclear/N = locate()
+			var/obj/item/weapon/disk/nuclear/N = locate() in GLOB.poi_list
 			target = N
 		if(TRACK_MALF_AI)
 			for(var/V in GLOB.ai_list)