WP_Customize_Nav_Menus::filter_wp_nav_menu_args

			$post_type_obj = get_post_type_object( $post->post_type );
			if ( ! $post_type_obj ) {
				continue;
			}
			if ( ! current_user_can( $post_type_obj->cap->publish_posts ) || ! current_user_can( 'edit_post', $post_id ) ) {
				continue;
			}
			$post_ids[] = $post->ID;
		}
		return $post_ids;
	}

	/**
	 * Publish the auto-draft posts that were created for nav menu items.
	 *
	 * The post IDs will have been sanitized by already by
	 * `WP_Customize_Nav_Menu_Items::sanitize_nav_menus_created_posts()` to
	 * remove any post IDs for which the user cannot publish or for which the
	 * post is not an auto-draft.
	 *
	 * @since 4.7.0
	 *
	 * @param WP_Customize_Setting $setting Customizer setting object.
	 */
	public function save_nav_menus_created_posts( $setting ) {
		$post_ids = $setting->post_value();
		if ( ! empty( $post_ids ) ) {
			foreach ( $post_ids as $post_id ) {

				// Prevent overriding the status that a user may have prematurely updated the post to.
				$current_status = get_post_status( $post_id );
				if ( 'auto-draft' !== $current_status && 'draft' !== $current_status ) {
					continue;
				}

				$target_status = 'attachment' === get_post_type( $post_id ) ? 'inherit' : 'publish';
				$args          = array(
					'ID'          => $post_id,
					'post_status' => $target_status,
				);
				$post_name     = get_post_meta( $post_id, '_customize_draft_post_name', true );
				if ( $post_name ) {
					$args['post_name'] = $post_name;
				}

				// Note that wp_publish_post() cannot be used because unique slugs need to be assigned.
				wp_update_post( wp_slash( $args ) );

				delete_post_meta( $post_id, '_customize_draft_post_name' );
			}
		}
	}

	/**