Refactor ladders so that they actually work (#32797)

code/modules/awaymissions/mission_code/Academy.dm

@@ -47,7 +47,7 @@
 /obj/item/paper/fluff/awaymissions/academy/grade/aplus
 	name = "Summoning Midterm Exam"
 	info = "Grade: A+ Educator's Notes: Excellent form."
-	
+
 /obj/item/paper/fluff/awaymissions/academy/grade/bminus
 	name = "Summoning Midterm Exam"
 	info = "Grade: B- Educator's Notes: Keep applying yourself, you're showing improvement."
@@ -55,7 +55,7 @@
 /obj/item/paper/fluff/awaymissions/academy/grade/dminus
 	name = "Summoning Midterm Exam"
 	info = "Grade: D- Educator's Notes: SEE ME AFTER CLASS."
-	
+
 /obj/item/paper/fluff/awaymissions/academy/grade/failure
 	name = "Pyromancy Evaluation"
 	info = "Current Grade: F. Educator's Notes: No improvement shown despite multiple private lessons.  Suggest additional tutilage."
@@ -335,7 +335,7 @@
 			target_mob.Move(T)
 
 /obj/structure/ladder/unbreakable/rune
-	name = "Teleportation Rune"
+	name = "\improper Teleportation Rune"
 	desc = "Could lead anywhere."
 	icon = 'icons/obj/rune.dmi'
 	icon_state = "1"
@@ -347,7 +347,6 @@
 /obj/structure/ladder/unbreakable/rune/show_fluff_message(up,mob/user)
 	user.visible_message("[user] activates \the [src].","<span class='notice'>You activate \the [src].</span>")
 
-/obj/structure/ladder/can_use(mob/user)
-	if(user.mind in SSticker.mode.wizards)
-		return 0
-	return 1
+/obj/structure/ladder/unbreakable/rune/use(mob/user, is_ghost=FALSE)
+	if(is_ghost || !(user.mind in SSticker.mode.wizards))
+		..()