Return to Tether

Fixes up a few of the Tether's issues to get it working properly again, and swaps back to it.

code/game/objects/effects/landmarks.dm

@@ -27,6 +27,12 @@
 			simulated = TRUE
 		//	delete_me = 1
 			return
+		//VOREStation Add end
+		if("Observer-Start") // Ghosts are the only thing that use the latejoin list afaik and it complains if there's nothing in the list. 
+			latejoin += src
+			simulated = TRUE
+			return
+		//VOREStation Add end
 		if("JoinLateGateway")
 			latejoin_gateway += loc
 			delete_me = 1