Summary: I copied some JavaScript. I think I did OK. Though, I couldn't stop icons from writing HTML as undefined. Anyways, this give us more options, like labels, when drawing ActionViews. I'll update the UI in other places like Policy too.
Test Plan:
Built and tested on the search ui dropdown.
{F379678}
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D12522
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