Nav Menus: Apply the `the_title` filter on original post titles in `wp_setup_nav_menu_item()`.

The filter is already used in `Walker_Nav_Menu_Checklist` and `Walker_Nav_Menu_Edit`. This ensures that titles are consistent across the admin and front end.

Fixes #35317.
Built from https://develop.svn.wordpress.org/trunk@36174


git-svn-id: http://core.svn.wordpress.org/trunk@36141 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/nav-menu.php

@@ -739,7 +739,8 @@ function wp_setup_nav_menu_item( $menu_item ) {
 				$menu_item->url = get_permalink( $menu_item->object_id );
 
 				$original_object = get_post( $menu_item->object_id );
-				$original_title = $original_object->post_title;
+				/** This filter is documented in wp-includes/post-template.php */
+				$original_title = apply_filters( 'the_title', $original_object->post_title, $original_object->ID );
 
 				if ( '' === $original_title ) {
 					/* translators: %d: ID of a post */

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.5-alpha-36173';
+$wp_version = '4.5-alpha-36174';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.