Fixes ghost light not moving while orbiting (#33878)

code/modules/orbit/orbit.dm

@@ -55,6 +55,7 @@
 		return
 	orbiter.loc = targetloc
 	orbiter.update_parallax_contents()
+	orbiter.update_light()
 	lastloc = orbiter.loc
 	for(var/other_orbit in orbiter.orbiters)
 		var/datum/orbit/OO = other_orbit
@@ -123,4 +124,4 @@
 			var/datum/orbit/O = thing
 			if(O.orbiter && isobserver(O.orbiter))
 				var/mob/dead/observer/D = O.orbiter
-				D.ManualFollow(target)
+				D.ManualFollow(target)