Merge pull request #7890 from Loganbacca/aistatusfix

Fixed AI status display not updating

code/game/machinery/status_display_ai.dm

@@ -43,6 +43,7 @@ var/list/ai_status_emotions = list(
 		if(istype(M, /obj/machinery/ai_status_display))
 			var/obj/machinery/ai_status_display/AISD = M
 			AISD.emotion = emote
+			AISD.update()
 		//if Friend Computer, change ALL displays
 		else if(istype(M, /obj/machinery/status_display))
 
@@ -72,6 +73,9 @@ var/list/ai_status_emotions = list(
 	var/emote = input("Please, select a status!", "AI Status", null, null) in ai_emotions
 	src.emotion = emote
 
+/obj/machinery/ai_status_display/process()
+	return
+
 /obj/machinery/ai_status_display/proc/update()
 	if(mode==0) //Blank
 		overlays.Cut()
@@ -91,3 +95,11 @@ var/list/ai_status_emotions = list(
 	if(overlays.len)
 		overlays.Cut()
 	overlays += image('icons/obj/status_display.dmi', icon_state=picture_state)
+
+/obj/machinery/ai_status_display/power_change()
+	..()
+	if(stat & NOPOWER)
+		if(overlays.len)
+			overlays.Cut()
+	else
+		update()