Nav menus: Restore menu id in hidden input.

`wp-admin/js/nav-menu.js` uses the value as context for quick searches and when
adding menu items.

Reverts [32695], see #31816.
Fixes #32699.


Built from https://develop.svn.wordpress.org/trunk@33161


git-svn-id: http://core.svn.wordpress.org/trunk@33133 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/nav-menus.php

@@ -655,7 +655,7 @@ require_once( ABSPATH . 'wp-admin/admin-header.php' );
 			<form method="get" action="<?php echo admin_url( 'nav-menus.php' ); ?>">
 			<input type="hidden" name="action" value="edit" />
 			<label for="menu" class="selected-menu"><?php _e( 'Select a menu to edit:' ); ?></label>
-			<select name="menu" id="menu">
+			<select name="menu">
 				<?php if ( $add_new_screen ) : ?>
 					<option value="0" selected="selected"><?php _e( '&mdash; Select &mdash;' ); ?></option>
 				<?php endif; ?>
@@ -726,7 +726,7 @@ require_once( ABSPATH . 'wp-admin/admin-header.php' );
 						<input type="hidden" name="zero-menu-state" value="true" />
 					<?php } ?>
  					<input type="hidden" name="action" value="update" />
-					<input type="hidden" name="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
+					<input type="hidden" name="menu" id="menu" value="<?php echo esc_attr( $nav_menu_selected_id ); ?>" />
 					<div id="nav-menu-header">
 						<div class="major-publishing-actions">
 							<label class="menu-name-label howto open-label" for="menu-name">

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta2-33160';
+$wp_version = '4.3-beta2-33161';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.