message: Apply hand cursor on Start/Stop button hover (win)
diff: </ResourceDictionary.MergedDictionaries>
  <Style TargetType="{x:Type toggl:ExtendedTextBox}" BasedOn="{StaticResource {x:Type TextBox}}" />
  <Style x:Key="Toggl.StartStopButton" TargetType="{x:Type ToggleButton}">
  + <Setter Property="Cursor" Value="Hand" />
  <Setter Property="Template">
  <Setter.Value>
  <ControlTemplate TargetType="{x:Type ToggleButton}">
  