Display a modal dialog for bookmarking — showBookmarkUrlModal
  v1.8.0|Source: 
  
  
    
R/bookmark-state.R
  Description
This is a wrapper function for urlModal() that is automatically
called if an application is bookmarked but no other onBookmark()
callback was set. It displays a modal dialog with the bookmark URL, along
with a subtitle that is appropriate for the type of bookmarking used ("url"
or "server").
Arguments
- url
- A URL to show in the modal dialog.