Docs: Clarify documentation for the `nav_menu_item_id` filter.

This aims to make it clear that the filter is applied to an HTML ID attribute for the menu item's `<li>` element, and not a numeric ID.

Follow-up to [15407], [25410], [27201], [38559], [51739].

Props dilipbheda, robinwpdeveloper, mukesh27, audrasjb, SergeyBiryukov.
See #56574, #55646.
Built from https://develop.svn.wordpress.org/trunk@54178


git-svn-id: http://core.svn.wordpress.org/trunk@53737 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-walker-nav-menu.php

@@ -159,15 +159,15 @@ class Walker_Nav_Menu extends Walker {
 		$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';
 
 		/**
-		 * Filters the ID applied to a menu item's list item element.
+		 * Filters the ID attribute applied to a menu item's list item element.
 		 *
 		 * @since 3.0.1
 		 * @since 4.1.0 The `$depth` parameter was added.
 		 *
-		 * @param string   $menu_id   The ID that is applied to the menu item's `<li>` element.
-		 * @param WP_Post  $menu_item The current menu item.
-		 * @param stdClass $args      An object of wp_nav_menu() arguments.
-		 * @param int      $depth     Depth of menu item. Used for padding.
+		 * @param string   $menu_item_id The ID attribute applied to the menu item's `<li>` element.
+		 * @param WP_Post  $menu_item    The current menu item.
+		 * @param stdClass $args         An object of wp_nav_menu() arguments.
+		 * @param int      $depth        Depth of menu item. Used for padding.
 		 */
 		$id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $menu_item->ID, $menu_item, $args, $depth );
 		$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-54177';
+$wp_version = '6.1-alpha-54178';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.