515 Compatibility (#19636)

* 515 compat

* double spaces

* Callback documentation, aa review

* spacing

* NAMEOF_STATIC

* big beta

code/modules/ruins/lavalandruin_code/fountain_hall.dm

@@ -40,7 +40,7 @@
 	to_chat(user, "<span class='notice'>The water feels warm and soothing as you touch it. The fountain immediately dries up shortly afterwards.</span>")
 	user.reagents.add_reagent("godblood", 20)
 	update_icon(UPDATE_ICON_STATE)
-	addtimer(CALLBACK(src, /atom/.proc/update_icon), time_between_uses)
+	addtimer(CALLBACK(src, TYPE_PROC_REF(/atom, update_icon)), time_between_uses)
 
 /obj/structure/healingfountain/update_icon_state()
 	if(last_process + time_between_uses > world.time)

code/modules/ruins/lavalandruin_code/sin_ruins.dm

@@ -30,7 +30,7 @@
 		know it'll be worth it.</span>")
 	icon_state = "slots-on"
 	playsound(src, 'sound/lavaland/cursed_slot_machine.ogg', 50, 0)
-	addtimer(CALLBACK(src, .proc/determine_victor, user), 50)
+	addtimer(CALLBACK(src, PROC_REF(determine_victor), user), 50)
 
 /obj/structure/cursed_slot_machine/proc/determine_victor(mob/living/user)
 	icon_state = "slots-off"
@@ -55,7 +55,7 @@
 
 /obj/structure/cursed_money/Initialize()
 	. = ..()
-	addtimer(CALLBACK(src, .proc/collapse), 600)
+	addtimer(CALLBACK(src, PROC_REF(collapse)), 600)
 
 /obj/structure/cursed_money/proc/collapse()
 	visible_message("<span class='warning'>[src] falls in on itself, \