bugfix: autoobserve 6 (#6858)

* 1

* 12

* Revert "12"

This reverts commit c2b5146.

* Works, but not good

* Revert "Works, but not good"

This reverts commit 02a88e4.

* Revert "1"

This reverts commit ab7b1d7.

* meh

* Revert "meh"

This reverts commit d03ba07.

* meh

Author: timchigaming

code/modules/mob/dead/observer/observer.dm

@@ -712,6 +712,7 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	cleanup_observe()
 
 
+	hud_used?.plane_master_controllers[PLANE_MASTERS_GAME].remove_filter("eye_blur")
 	lighting_alpha = client?.prefs.ghost_darkness_level
 	update_sight()
 
@@ -721,7 +722,6 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	clear_fullscreens()
 
 	if(client)
-		hud_used.plane_master_controllers[PLANE_MASTERS_GAME].remove_filter("eye_blur")
 		UnregisterSignal(src, COMSIG_ORBITER_ORBIT_STOP)
 		if(do_observe_target)
 			UnregisterSignal(do_observe_target, COMSIG_MOB_UPDATE_SIGHT)
@@ -736,8 +736,9 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	if(!orbiting || !client)
 		return
 
-	sight = do_observe_target.sight
-	lighting_alpha = do_observe_target.lighting_alpha
+	// idk why, but we need to hold '?' here, else this runtimes sometimes
+	sight = do_observe_target?.sight
+	lighting_alpha = do_observe_target?.lighting_alpha
 	update_sight()
 
 /mob/dead/observer/verb/toggle_ghostsee()