Don't lookup category names if tag tree view all
Don't lookup category names if tag tree view all

This was executing a few hundred extra queries

category.name is the culprit

https://bugzilla.redhat.com/show_bug.cgi?id=1399345
ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic