Fix outlier dashboard panel display bugs

Summary: ref T7236, should resolve all, or at least most issues.

Test Plan: Tested Legalpad, Account Activity, Feed, Maniphest, Differential, Projects, Countdown

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T7236

Differential Revision: https://secure.phabricator.com/D11738