Porting update_icon improvements. Part 1.

code/modules/newscaster/newscaster_machine.dm

@@ -54,7 +54,6 @@ GLOBAL_LIST_EMPTY(allCasters)
 	return ..()
 
 /obj/machinery/newscaster/update_icon()
-	cut_overlays()
 	if(stat & (NOPOWER|BROKEN))
 		icon_state = "newscaster_off"
 	else
@@ -62,19 +61,23 @@ GLOBAL_LIST_EMPTY(allCasters)
 			icon_state = "newscaster_wanted"
 		else
 			icon_state = "newscaster_normal"
-			if(alert)
-				add_overlay("newscaster_alert")
+
+/obj/machinery/newscaster/update_overlays()
+	. = ..()
+
+	if(!(stat & (NOPOWER|BROKEN)) && !GLOB.news_network.wanted_issue.active && alert)
+		. += "newscaster_alert"
+
 	var/hp_percent = obj_integrity * 100 /max_integrity
 	switch(hp_percent)
 		if(75 to 100)
 			return
 		if(50 to 75)
-			add_overlay("crack1")
+			. += "crack1"
 		if(25 to 50)
-			add_overlay("crack2")
+			. += "crack2"
 		else
-			add_overlay("crack3")
-
+			. += "crack3"
 
 /obj/machinery/newscaster/power_change()
 	if(stat & BROKEN)