Fix failing functional tests

These, to be specific: http://bamboo.s/browse/NX-DISTT-TLNX-403/

The problems were with the drilldown code, not the tests, so… yay!

I only have one question about a loadStore() override in the Users.js controller. Question inline below.
Bah. Nevermind, I see that it’s necessary for the filter on that page. I’ll add a call to the parent function instead.