* Move inbox note actions to a bespoke component.
* Set busy state on action buttons on click.
* Allow for Note actions to be deleted.
* Update FB extension note after installation is complete.
* Link actions don't get busy treatment.
* Re-fetch note actions after updating.
Get new action IDs from the database.
* Add tracking to inbox note views. (https://github.com/woocommerce/woocommerce-admin/pull/3096)
* Move inbox note content to its own component.
* Send a tracks event when inbox notes are in the viewport.
Uses react-visibility-sensor.
* Match event data to `inbox_action_click`.