Customizer: Restore Shift + Clicking on widgets to open the widgets panel.

Includes an alternative for jQuery UI's `:focusable` selector because it has an ancestor visibility requirement, see https://github.com/jquery/jquery-ui/pull/1583.

props westonruter.
fixes #33258.
Built from https://develop.svn.wordpress.org/trunk@33596


git-svn-id: http://core.svn.wordpress.org/trunk@33563 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-controls.js

@@ -73,8 +73,9 @@
 			} else {
 				focusContainer = construct.container;
 			}
-			focusContainer.find( ':focusable:first' ).focus();
-			focusContainer[0].scrollIntoView( true );
+
+			// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
+			focusContainer.find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' ).first().focus();
 		};
 		if ( params.completeCallback ) {
 			completeCallback = params.completeCallback;

wp-admin/js/customize-widgets.js

@@ -1270,7 +1270,7 @@
 
 			if ( expanded ) {
 
-				if ( 'undefined' != typeof api.section( self.section ) && ! api.section( self.section ).expanded() ) {
+				if ( self.section() && api.section( self.section() ) ) {
 					self.expandControlSection();
 				}
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-RC2-33595';
+$wp_version = '4.3-RC2-33596';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.