R1:01892e38081f

Add Marked With Any Flag search option

Summary: T3692

Test Plan: Search for macros with/without flags and then all flagged

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Maniphest Tasks: T3692

Differential Revision: https://secure.phabricator.com/D8976