Summary:
If an email is to a group, the reply button should have `To` set the original email sender and `Cc` the group Fixes Phab ticket 2142. Previously, the click on the reply button was not captured unless the click occured on the reply or reply all icon. Changed the span to a div with no padding that captures all clicks
Test Plan: tested manually, unit tests
Reviewers: bengotow
Reviewed By: bengotow
Subscribers: evan
Maniphest Tasks: T2142
Differential Revision: https://phab.nylas.com/D1696