Calendar event monograms, part 4. Typing E{id} makes the object available in global search.
Summary: Closes T7928, E{id} is available via global search.
Test Plan: Create calendar event, search for its monogram in global search, event should be accessible.
Reviewers: #blessed_reviewers, epriestley
Reviewed By: #blessed_reviewers, epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T7928
Differential Revision: https://secure.phabricator.com/D12581