Ticket #63789: 63789.diff.patch

*** Begin Patch
*** Update File: wp-includes/admin-bar.php
@@
 function wp_admin_bar_view_site_menu( $wp_admin_bar ) {
        global $post;
 
        if ( is_admin() ) {
                $post_id = 0;
                if ( isset( $_GET['post'] ) ) {
                        $post_id = (int) $_GET['post'];
                } elseif ( isset( $_POST['post_ID'] ) ) {
                        $post_id = (int) $_POST['post_ID'];
                }
 
                if ( $post_id ) {
                        $post = get_post( $post_id );
-                       if ( $post ) {
+                       // Hide "View" link for wp_block (synced patterns) since they are not publicly viewable.
+                       if ( $post && 'wp_block' !== $post->post_type ) {
                                $title = sprintf( __( 'View %s' ), wp_strip_all_tags( get_the_title( $post ) ) );
                                $wp_admin_bar->add_node(
                                        array(
                                                'id'    => 'view',
                                                'title' => $title,
                                                'href'  => get_permalink( $post ),
                                        )
                                );
                        }
*** End Patch