Fix project tags in phui-documents

Summary: Fixes T6318

Test Plan: Add tags to a Document in Phriction, verify line height with multiple tag icons.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6318

Differential Revision: https://secure.phabricator.com/D10719