Added size observer to enable auto-centering the editor at some point

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

@@ -6,6 +6,7 @@
              xmlns:s="https://github.com/canton7/Stylet"
              xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
              xmlns:profileEditor="clr-namespace:Artemis.UI.Screens.Module.ProfileEditor.Visualization"
+             xmlns:observers="clr-namespace:Artemis.UI.Observers"
              mc:Ignorable="d"
              d:DesignHeight="450" d:DesignWidth="800"
              d:DataContext="{d:DesignInstance {x:Type profileEditor:ProfileViewModel}}">
@@ -42,7 +43,10 @@
           MouseUp="{s:Action EditorGridMouseClick}"
           MouseDown="{s:Action EditorGridMouseClick}"
           MouseMove="{s:Action EditorGridMouseMove}"
-          Cursor="{Binding Cursor}">
+          Cursor="{Binding Cursor}"
+          observers:SizeObserver.Observe="True"
+          observers:SizeObserver.ObservedWidth="{Binding PanZoomViewModel.CanvasWidth, Mode=OneWayToSource}"
+          observers:SizeObserver.ObservedHeight="{Binding PanZoomViewModel.CanvasHeight, Mode=OneWayToSource}">
 
         <Grid.Background>
             <VisualBrush TileMode="Tile" Stretch="Uniform" Viewport="{Binding PanZoomViewModel.BackgroundViewport}" ViewportUnits="Absolute">