fix WinUI slider

Author: praveenaak

src/WinUI/ArcGIS.WinUI.Viewer/Samples/Analysis/ShowInteractiveViewshedInAnalysisOverlay/ShowInteractiveViewshedInAnalysisOverlay.xaml

@@ -13,12 +13,11 @@
             <Setter Property="HorizontalAlignment" Value="Right" />
             <Setter Property="VerticalAlignment" Value="Center" />
             <Setter Property="Margin" Value="10,0,0,0" />
-            <Setter Property="MinWidth" Value="55" />
+            <Setter Property="MinWidth" Value="90" />
         </Style>
         <Style TargetType="Slider" BasedOn="{StaticResource DefaultSliderStyle}">
             <Setter Property="HorizontalAlignment" Value="Stretch" />
             <Setter Property="VerticalAlignment" Value="Center" />
-            <Setter Property="MinWidth" Value="180" />
             <Setter Property="Margin" Value="0,2" />
             <Setter Property="SnapsTo" Value="StepValues" />
             <Setter Property="StepFrequency" Value="1" />
@@ -43,7 +42,7 @@
                 </Grid.RowDefinitions>
                 <Grid.ColumnDefinitions>
                     <ColumnDefinition Width="Auto" />
-                    <ColumnDefinition Width="*" />
+                    <ColumnDefinition Width="100" />
                     <ColumnDefinition Width="Auto" />
                 </Grid.ColumnDefinitions>
 
@@ -180,4 +179,4 @@
                    Text="Raster data Copyright Scottish Government and SEPA (2014)"
                    TextWrapping="Wrap" />
     </Grid>
-</UserControl>
+</UserControl>