Verified in 5.7.0.14. I can go to single catalog item summary by selecting it on right side(not in treeview) and also tree view is expanded.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2017-0012.html