Fixes non-dynamically lit areas being pitch black

Fixes #25179 (Legitimate closing of a pull request, thanks for this bug github)
Fixes #25164

code/controllers/subsystem/processing/overlays.dm

@@ -96,7 +96,8 @@ var/datum/controller/subsystem/processing/overlays/SSoverlays
 			new_overlays[i] = icon2appearance(cached_overlay)
 		else	//image probable
 			appearance_bro.appearance = cached_overlay
-			appearance_bro.dir = cached_overlay.dir
+			if(!ispath(cached_overlay))
+				appearance_bro.dir = cached_overlay.dir
 			new_overlays[i] = appearance_bro.appearance
 	return new_overlays
 

code/game/area/areas.dm

@@ -123,6 +123,9 @@ var/list/teleportlocs = list()
 
 	blend_mode = BLEND_MULTIPLY // Putting this in the constructor so that it stops the icons being screwed up in the map editor.
 
+	if(!IS_DYNAMIC_LIGHTING(src))
+		add_overlay(/obj/effect/fullbright)
+
 /area/Destroy()
 	STOP_PROCESSING(SSobj, src)
 	return ..()

code/modules/lighting/lighting_area.dm

@@ -9,6 +9,7 @@
 	dynamic_lighting = new_dynamic_lighting
 
 	if (IS_DYNAMIC_LIGHTING(src))
+		cut_overlay(/obj/effect/fullbright)
 		for (var/turf/T in area_contents(src))
 			if (IS_DYNAMIC_LIGHTING(T))
 				T.lighting_build_overlay()