Add a search box to the bookmarks page
Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1322012
Description of problem:
Bookmarks page (Administer -> Bookmarks) doesn't have a search box, making it hard to find desired bookmark if you have a lot of them created.
Version-Release number of selected component (if applicable):
Sat6.2 Beta Snap5.1
Steps to Reproduce:
1. Navigate to Administer -> Bookmarks
Search box is absent
Search box is present, user is able to filter out bookmarks list.