message: Fix Autocomplete popup string item template (win)
diff: </StackPanel>
  </DataTemplate>
  <DataTemplate x:Key="string-item-template">
  - <TextBlock Name="text" VerticalAlignment="Center"
  + <Border Height="32">
  + <TextBlock Name="text"
  Style="{StaticResource Toggl.BodyText}"
  + VerticalAlignment="Center"
  Foreground="{DynamicResource Toggl.SecondaryTextBrush}"
  - Margin="10, 0, 10, 0"
  - Height="32"
  + Margin="10 0"
  Text="{Binding Text}"
  ToolTip="{Binding Text}" />
  + </Border>
  </DataTemplate>
  <DataTemplate x:Key="client-item-template">
  <StackPanel Height="24" Orientation="Horizontal">
  