Don't display "Foul Magicks" in Maniphest

Summary:
There was a typo:
PHID-!!!!-NO_PROJECT instead of
PHID-!!!!-NO-PROJECT

Also use <em> to differentiate from project named "(No Project)".

Test Plan:
/maniphest/report/project/
Click on (No Project).

Reviewers: epriestley

Reviewed By: epriestley

CC: aran

Differential Revision: https://secure.phabricator.com/D2167