Add more information to Dashboard ApplicationSearch list
Summary: Fixes T4984. This is about as fancy as I want to get this pass. Adds in the list of panel titles and the author. This does give me a rough idea what's on each dashboard.
Test Plan:
Visit a list of dashboards and see various authors and panels.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin
Maniphest Tasks: T4984
Differential Revision: https://secure.phabricator.com/D17340