WooCommerce Product Search 6.1.0

* WordPress 5.2 compatibility.
* Updated term order handling for product attributes as WC 3.6.x replaces termmeta order_pa_{$taxonomy} with order.
* Added support for sorting product attributes numerically, i.e. based on name_num "Name (numeric)".
* Improved front and back end resource dependency resilience (more robust checks for jQuery presence independent of load order).
* Updated the Spanish translation.
* Added the Indonesian translation.

* Updated for compatibility with WooCommerce 3.6

* Improved hierarchical taxonomy product counts to take overall counts in subtrees into account.
* Added the ixProductFilterRequestProcessed jQuery event to signal the end of processing a filter request response.
* Fixed an issue where terms that related to ineligible (e.g. protected) products were included as choices in taxonomy filters.