WooCommerce Скрыть цену и кнопку "В корзину" 1.5.3

* Fix - Fix PHP warnings.

* Update - Updated compatibility for latest WordPress and WooCommerce versions.

* Update - Updated compatibility for latest WooCommerce versions.

Fix - Fixed bug with simple products add to cart with Elementor

* Add - Added compatibility with Elementor plugin.
* Fix - Fixed bug with price display on quick view.