links that are linking to a figure found in itself should have target='_self', check link that are not [link] text for media linking as well,  update to use book_id
links that are linking to a figure found in itself should have target='_self', check link that are not [link] text for media linking as well,  update to use book_id

openstax/tutor-js,openstax/tutor-js,openstax/tutor-js,openstax/tutor-js,openstax/tutor-js