Make apps launcher more size resilient
Summary: We can be a little more targeted and make the descriptions more readable here. Fixes T5265
Test Plan: Test apps launcher at different breakpoints
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: epriestley, Korvin
Maniphest Tasks: T5265
Differential Revision: https://secure.phabricator.com/D9381