WooCommerce Product Search 5.4.0

* Added parameters to the live search field form to handle more restrictive requests.
* Fixed and updated the more link generated for the live search field to allot to enable or disable any parameters.
* Added the condition to also act when searching along with filter search when processing the query, avoids showing all results when none should be included for search outside of filtering.
* Fixed the live search filter form so it also includes the title, excerpt, content and sku flags to allow for more restrictive search.
* Improved acting on missing resources to reenable filter fields to have at least minimal functionality.
* Added missing filter flags on ordering form update.
* Fixed sorting with multiple filter attributes would only use one attribute.
* Fixed a syntax error in variable initialization of the ixwpsf.attributeFilterItemOnClick function.
* Fixed cleaning up ampersands in product filter URL handling.

* Fixed product category order by Term order had no effect.
* Fixed product attribute order by Term order had no effect.
* Improved term product counts to reflect current filtering context.
* Added the woocommerce_product_search_get_terms_filter_counts filter.
* Added the woocommerce_product_search_term_walker_apply_get_term_count filter.

* Fixed product category filter expansion not always behaving properly on touch enabled devices.
* Fixed cycling between expanded and retracting on hover in the product category filter in certain conditions.