REST API: Change which users are shown in the users endpoint.

Only show users that have authored a post of a post type that has `show_in_rest` set to true.

Props rachelbaker, jnylen0.
See #38878.


Built from https://develop.svn.wordpress.org/trunk@39843


git-svn-id: http://core.svn.wordpress.org/trunk@39781 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php

@@ -249,7 +249,7 @@ class WP_REST_Users_Controller extends WP_REST_Controller {
 		}
 
 		if ( ! current_user_can( 'list_users' ) ) {
-			$prepared_args['has_published_posts'] = true;
+			$prepared_args['has_published_posts'] = get_post_types( array( 'show_in_rest' => true ), 'names' );
 		}
 
 		if ( ! empty( $prepared_args['search'] ) ) {

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39831';
+$wp_version = '4.8-alpha-39843';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.