R1:8270b0e92d6d

Forgot some things in hover card view

Summary:
Refs T1048
- Add IDs to hovercard view
- Fixed title
- Added fatal for no handle

Test Plan: Used in future diff. Verified fatal for no handle. Correct display of title and id

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T1048

Differential Revision: https://secure.phabricator.com/D5543