message: show maximize button to enable window snapping, fixes (win)
diff: </Setter.Value>
  </Setter>
  <Setter Property="Background" Value="{DynamicResource Toggl.Background}" />
  - <Setter Property="ShowMaxRestoreButton" Value="False" />
  + <Setter Property="ShowMaxRestoreButton" Value="True" />
  <Setter Property="ShowIconOnTitleBar" Value="False" />
  </Style>
  