Taxonomy: Allow filtering Ajax term search results in quick edit.

This changeset introduces the `ajax_term_search_results` hook which can be used to filter the term search results returned by the AJAX term query.

Props grandeljay, costdev, ironprogrammer, audrasjb, SergeyBiryukov.
Fixes #55606.

Built from https://develop.svn.wordpress.org/trunk@53781


git-svn-id: http://core.svn.wordpress.org/trunk@53340 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/ajax-actions.php

@@ -162,6 +162,17 @@ function wp_ajax_ajax_tag_search() {
 		)
 	);
 
+	/**
+	 * Filters the Ajax term search results.
+	 *
+	 * @since 6.1.0
+	 *
+	 * @param string[]    $results Array of term names.
+	 * @param WP_Taxonomy $tax     The taxonomy object.
+	 * @param string      $s       The search term.
+	 */
+	$results = apply_filters( 'ajax_term_search_results', $results, $tax, $s );
+
 	echo implode( "\n", $results );
 	wp_die();
 }

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53780';
+$wp_version = '6.1-alpha-53781';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.