Merge pull request #31295 from oscarssanchez/fix/customers-api-search-param

Customers endpoint: Check if search param could be considered empty

plugins/woocommerce/includes/rest-api/Controllers/Version1/class-wc-rest-customers-v1-controller.php

@@ -244,7 +244,7 @@ class WC_REST_Customers_V1_Controller extends WC_REST_Controller {
 		$prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ];
 		$prepared_args['search']  = $request['search'];
 
-		if ( '' !== $prepared_args['search'] ) {
+		if ( ! empty( $prepared_args['search'] ) ) {
 			$prepared_args['search'] = '*' . $prepared_args['search'] . '*';
 		}