Editor: Add item_updated label for wp_template and `wp_template_p…

…art` post types.

This adds the `item_updated` label to Template and Template Part post types registration. This prevents from displaying the default `post updated` label.
See WordPress/gutenberg#61146 

Follow-up to [52062], [51003].

Props ntsekouras, ellatrix.
Fixes #61095.



Built from https://develop.svn.wordpress.org/trunk@58055


git-svn-id: https://core.svn.wordpress.org/trunk@57520 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -365,6 +365,7 @@ function create_initial_post_types() {
 				'filter_items_list'     => __( 'Filter templates list' ),
 				'items_list_navigation' => __( 'Templates list navigation' ),
 				'items_list'            => __( 'Templates list' ),
+				'item_updated'          => __( 'Template updated.' ),
 			),
 			'description'                     => __( 'Templates to include in your theme.' ),
 			'public'                          => false,
@@ -429,6 +430,7 @@ function create_initial_post_types() {
 				'filter_items_list'     => __( 'Filter template parts list' ),
 				'items_list_navigation' => __( 'Template parts list navigation' ),
 				'items_list'            => __( 'Template parts list' ),
+				'item_updated'          => __( 'Template part updated.' ),
 			),
 			'description'                     => __( 'Template parts to include in your templates.' ),
 			'public'                          => false,

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.6-alpha-58054';
+$wp_version = '6.6-alpha-58055';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.