Fixed RTL in viewport (hopefully not breaking anything else)

src/PixiEditor.AvaloniaUI/Views/Main/ViewportControls/Viewport.axaml

@@ -23,7 +23,8 @@
     mc:Ignorable="d"
     x:Name="vpUc"
     d:DesignHeight="450"
-    d:DesignWidth="800">
+    d:DesignWidth="800"
+    FlowDirection="LeftToRight">
     <Grid
         x:Name="viewportGrid">
         <Interaction.Behaviors>
@@ -135,8 +136,7 @@
             FlipX="{Binding FlipX, ElementName=zoombox, Mode=OneWay}"
             FlipY="{Binding FlipY, ElementName=zoombox, Mode=OneWay}"
             FadeOut="{Binding Source={viewModels:ToolVM ColorPickerToolViewModel}, Path=PickOnlyFromReferenceLayer, Mode=OneWay}"
-            ui1:RenderOptionsBindable.BitmapInterpolationMode="{Binding Scale, Converter={converters:ScaleToBitmapScalingModeConverter}, ElementName=zoombox}"
-            FlowDirection="LeftToRight">
+            ui1:RenderOptionsBindable.BitmapInterpolationMode="{Binding Scale, Converter={converters:ScaleToBitmapScalingModeConverter}, ElementName=zoombox}">
         </visuals:Scene>
         <zoombox:Zoombox
             Tag="{Binding ElementName=vpUc}"