refactoring altclick interaction to allow parent calls without forcing the turf contents stat menu open.

code/game/objects/items/devices/geiger_counter.dm

@@ -182,14 +182,16 @@
 		return ..()
 
 /obj/item/geiger_counter/AltClick(mob/living/user)
+	. = ..()
 	if(!istype(user) || !user.canUseTopic(src, BE_CLOSE))
-		return ..()
+		return
 	if(!scanning)
 		to_chat(usr, "<span class='warning'>[src] must be on to reset its radiation level!</span>")
-		return 0
+		return TRUE
 	radiation_count = 0
 	to_chat(usr, "<span class='notice'>You flush [src]'s radiation counts, resetting it to normal.</span>")
 	update_icon()
+	return TRUE
 
 /obj/item/geiger_counter/emag_act(mob/user)
 	. = ..()