Cost & Reports for WooCommerce 3.4.11

* Fix - Make sure copy current price uses regular price
* Fix - Changed the Price select (default) to adjust to inc or ex. vat - as WooCommerce settings

* Fix - Minor fix in shipping calculations (orders reports)
* New - Added column for refunded items in Orders and Product reports
* New - Added option to toggle totals in Orders and Product reports
* New - Minor layout and CSS improvements, boxed in filters in the reports and more
* New - Added new and faster sorting function for the report tabs (orders, products and customers)
* New - Added refund information to export files for reports
* Dev - Minor fixes and improvements

* Minor fixes for speed in get products query
* Other fixes and improvements

* Minor CSRF fix (security)

Minor fix in reports - customers id

* Minor fix in shipping sum on search / filter - reports > orders
* Added HPOS compability