Fix empty titles on pages without application names
Summary: Fixes T3195. Currently, we show [] Phabricator on the homepage with unicode glyphs off.
Test Plan:
Viewed home page and application pages with glyphs on and off. Saw:
| Unicode | No Unicode | |
|---|---|---|
| Home | Empty | Empty |
| Differential | Gear | Differential |
Reviewers: btrahan, chad
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T3195
Differential Revision: https://secure.phabricator.com/D5932