Don't create an edit link to a non-UI post type in the media list table.

props johnbillion.
fixes #20453.


git-svn-id: https://develop.svn.wordpress.org/trunk@25140 602fd350-edb4-49c9-b593-d223f7449a82
 Make shift-click checkbox range selection work in both directions. props c3mdigital, SergeyBiryukov. fixes #23427.


git-svn-id: https://develop.svn.wordpress.org/trunk@25141 602fd350-edb4-49c9-b593-d223f7449a82