[Redesign] Clean up Config Issue UI

Summary: Ref T8099, Missed a few various edge cases here. Cleans up the 'next' UI.

Test Plan: Review a current setup issue, then ignore it.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T8099

Differential Revision: https://secure.phabricator.com/D13529