Device visualization - Improved performance to a good level for now

src/Artemis.UI/Screens/Module/ProfileEditor/Visualization/ProfileView.xaml

@@ -173,7 +173,7 @@
                 <Slider Margin="0,0,14,0"
                         Orientation="Vertical"
                         Minimum="10"
-                        Maximum="400"
+                        Maximum="250"
                         Height="100"
                         FocusVisualStyle="{x:Null}"
                         Value="{Binding PanZoomViewModel.ZoomPercentage}"

src/Artemis.UI/Screens/Module/ProfileEditor/Visualization/ProfileViewModel.cs

@@ -181,7 +181,7 @@ namespace Artemis.UI.Screens.Module.ProfileEditor.Visualization
         private void ApplySurfaceConfiguration(ArtemisSurface surface)
         {
             Devices.Clear();
-            Devices.AddRange(surface.Devices);
+            Devices.AddRange(surface.Devices.OrderBy(d => d.ZIndex));
         }
 
         private void UpdateLedsDimStatus()