message: Wrap the tooltips on the new tab button
  In non-en-us locales, these tooltips can get really long and get clipped.
  Closes MSFT:39603031
  See Also
diff: FontSize="12">
  <ToolTipService.ToolTip>
  <ToolTip Placement="Mouse">
  - <TextBlock IsTextSelectionEnabled="False">
  + <TextBlock IsTextSelectionEnabled="False"
  + TextWrapping="Wrap">
  <Run x:Uid="NewTabRun" /> <LineBreak />
  <Run x:Uid="NewPaneRun"
  FontStyle="Italic" /> <LineBreak />
  