REST API: Permit embedding of the 'self' link relation in the /search endpoint.

Removes a special-case prohibition against embedding 'self' which prevented ?_embed from being used with the /wp/v2/search endpoint.

Props TimothyBlynJacobs, chrisvanpatten, kadamwhite.
Fixes #47684.


Built from https://develop.svn.wordpress.org/trunk@46434


git-svn-id: http://core.svn.wordpress.org/trunk@46232 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/class-wp-rest-server.php

@@ -564,11 +564,6 @@ class WP_REST_Server {
 		$embedded = array();
 
 		foreach ( $data['_links'] as $rel => $links ) {
-			// Ignore links to self, for obvious reasons.
-			if ( 'self' === $rel ) {
-				continue;
-			}
-
 			$embeds = array();
 
 			foreach ( $links as $item ) {

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-beta2-46433';
+$wp_version = '5.3-beta2-46434';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.