Customizer: Update JS variable to reference renamed data attribute for available nav menu object.

Fixes regression for a change that was missed in [33366].

Props valendesigns.
Fixes #32708.

Built from https://develop.svn.wordpress.org/trunk@33392


git-svn-id: http://core.svn.wordpress.org/trunk@33360 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-nav-menus.js

@@ -156,13 +156,13 @@
 				    visibleHeight = self.$el.find( '.accordion-section.open' ).height();
 				if ( ! self.loading && $( this ).scrollTop() > 3 / 4 * totalHeight - visibleHeight ) {
 					var type = $( this ).data( 'type' ),
-					    obj_type = $( this ).data( 'obj_type' );
+					    object = $( this ).data( 'object' );
 					if ( 'search' === type ) {
 						if ( self.searchTerm ) {
 							self.doSearch( self.pages.search );
 						}
 					} else {
-						self.loadItems( type, obj_type );
+						self.loadItems( type, object );
 					}
 				}
 			});

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta4-33391';
+$wp_version = '4.3-beta4-33392';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.