message: Fix mis-aligned Navigationview footer and save buttons in the settings page
  This improves the layout/appearance of the settings UI footer, by reducing
  the height of the main content footer to match the navigation view footer.
diff: </Frame>
  <!-- Explicitly set the background color on grid to prevent the navigation animation from overflowing it -->
  <Grid Grid.Row="1"
  - Height="80"
  + Height="55"
  BorderBrush="{ThemeResource DividerStrokeColorDefaultBrush}"
  BorderThickness="0,1,0,0">
  <Grid.ColumnDefinitions>
  