* Display order number on reports, and add to API response.
* Add method for getting order number, avoiding loading the data store if no filter is attached.
* Add the ability to search name, username, and email fields on the customer endpoint, update autocompletors, add in include parameter.
* Update the username to be returned in the download response, update download filtering based on customer id, and only rename include parameter on main customers endpoint.
* Update all wc-admin endpoints to v4
* Add namespace for products and customers controllers
* Include product quantity in orders data store
* Add coupons to extended data in the orders data store
* Format order statuses response from database
* Hook up orders table to orders endpoint
* Add namespace to data endpoint controller
* Add namespaces to remaining extended controllers
* Use NAMESPACE var in place of wc/v4
* Update product links in orders table to products reports
* Add coupons rest controller override
* Format coupon code in response
Co-Authored-By: joshuatf <joshuatf@gmail.com>