Fix search order by customer billing phone or shipping phone

plugins/woocommerce/includes/data-stores/class-wc-order-data-store-cpt.php

@@ -603,6 +603,16 @@ class WC_Order_Data_Store_CPT extends Abstract_WC_Order_Data_Store_CPT implement
 							WHERE order_item_name LIKE %s",
 							'%' . $wpdb->esc_like( wc_clean( $term ) ) . '%'
 						)
+					),
+					$wpdb->get_col(
+						$wpdb->prepare(
+							"SELECT DISTINCT os.order_id FROM {$wpdb->prefix}wc_order_stats os
+							INNER JOIN {$wpdb->prefix}wc_customer_lookup cl ON os.customer_id = cl.customer_id
+							INNER JOIN {$wpdb->usermeta} um ON cl.user_id = um.user_id
+							WHERE (um.meta_key = 'billing_phone' OR um.meta_key = 'shipping_phone')
+							AND um.meta_value = %s",
+							wc_clean( $term )
+						)
 					)
 				)
 			);