Port wires/maintenance panel visualizer (#10543)

Content.Client/Wires/Visualizers/WiresVisualizerSystem.cs

@@ -0,0 +1,32 @@
+using Content.Shared.Wires;
+using Robust.Client.GameObjects;
+
+namespace Content.Client.Wires.Visualizers
+{
+    public sealed class WiresVisualizerSystem : VisualizerSystem<WiresVisualsComponent>
+    {
+        protected override void OnAppearanceChange(EntityUid uid, WiresVisualsComponent component, ref AppearanceChangeEvent args)
+        {
+            if (args.Sprite == null)
+                return;
+
+            var layer = args.Sprite.LayerMapReserveBlank(WiresVisualLayers.MaintenancePanel);
+
+            if(args.AppearanceData.TryGetValue(WiresVisuals.MaintenancePanelState, out var panelStateObject) &&
+                panelStateObject is bool panelState)
+            {
+                args.Sprite.LayerSetVisible(layer, panelState);
+            }
+            else
+            {
+                //Mainly for spawn window
+                args.Sprite.LayerSetVisible(layer, false);
+            }
+        }
+    }
+
+    public enum WiresVisualLayers : byte
+    {
+        MaintenancePanel
+    }
+}