message: Fix cursor placement issue (windows)
diff: BorderThickness="{TemplateBinding BorderThickness}">
  <ScrollViewer
  - Cursor="IBeam"
  Padding="{TemplateBinding Padding}"
  BorderThickness="0"
  IsTabStop="False"
  Margin="2"
  Background="{x:Null}"
  - HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
  VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
  <Decorator
  