Symbol Search: Allow ctrl-click with no hover
Summary: Fix T8710. I had hopes of doing something cleaver with highlighted (Like trying to understand foo.bar when clicking bar, but I obviously didn't do it.
Test Plan: ctrl-click.
Reviewers: #blessed_reviewers, epriestley
Reviewed By: #blessed_reviewers, epriestley
Subscribers: joshuaspence, epriestley, gena2x, Korvin
Maniphest Tasks: T8710
Differential Revision: https://secure.phabricator.com/D13550