message: Fix autotracker rules background (win)
diff: <Grid>
  <Grid.Style>
  <Style TargetType="Grid">
  - <Setter Property="Background" Value="{DynamicResource Toggl.SelectionElements.Background}" />
  + <Setter Property="Background" Value="{DynamicResource Toggl.CardBackground}" />
  <Style.Triggers>
  <DataTrigger Binding="{Binding IsSelected}" Value="True">
  <Setter Property="Background">
  