Summary:
Some folks were missing the copy as text ManagedTable used to have, so introduced both the options to either copy as text (visible columns or custom copy handler) or as JSON
Changelog: It is now possible to both copy as text or as JSON from data tables
Reviewed By: jknoxville
Differential Revision: D29712096
fbshipit-source-id: 27bd2e869a247bd0896ce2774c08651123fd531d