Add Badges to Hovercards

Summary: Fixes T8942, Makes Badges if installed show up on your hovercard.

Test Plan: Give a badge, mention myself, see badge on hovercard.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T8942

Differential Revision: https://secure.phabricator.com/D13703