Default Conpherence Room Search to All Rooms
Summary: Just changes the default here. Main reasoning is if I'm searching for a room, show me all of them first. "My Rooms" is where I just came from.
Test Plan: Click Search in Conpherence, see All Rooms as default.
Reviewed By: epriestley
Differential Revision: https://secure.phabricator.com/D16527