Cleanups and tweaks observer code (#30250)

* observer cleanup

* this

* bit more

* Update tgui.bundle.js

code/game/objects/structures/misc_structures.dm

@@ -148,6 +148,7 @@
 		if(selected_outfit)
 			new_human.equipOutfit(selected_outfit)
 
+// used by admins
 /obj/structure/ghost_beacon
 	name = "ethereal beacon"
 	desc = "A structure that draws ethereal attention when active. Use an empty hand to activate."
@@ -161,7 +162,6 @@
 	var/alert_title = "Ethereal Beacon Active!"
 	var/atom/attack_atom
 
-
 /obj/structure/ghost_beacon/Initialize(mapload)
 	. = ..()
 	last_ghost_alert = world.time