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