message: Fix spacing on format change preview display
diff: <StackPanel Orientation="Horizontal" Grid.Column="1" Grid.Row="2" Margin="0,20,0,0">
  <TextBlock FontSize="12" VerticalAlignment="Center" FontWeight="Bold">TO &#x202F;&#x202F;&#x202F;&#x202F;&#x202F;&#x202F;</TextBlock>
  <Button Style="{StaticResource SubtleButton}"
  + Padding="12,0"
  + Height="36"
  Click="CopyToClipboardClicked">
  <TextBlock FontSize="12"
  ToolTip="Copy to Clipboard"
  </StackPanel>
  <controls:DaxFormattedTextBlock
  Grid.Column="1" Grid.Row="3"
  + Margin="0,-12,0,0"
  UncoloredText="{Binding NeedFormattingSelected.FormatterDax}"
  />
  </StackPanel>
  