Widgets: Fix Classic Widgets screen toggle response on small screens.

This changeset updates the toogle logic to fix Widget's responsive behavior on Classic Widgets screen.

Props inc2734, kmix39, dlh, desrosj, costdev, Boniu91.
Fixes #48896.

Built from https://develop.svn.wordpress.org/trunk@53267


git-svn-id: http://core.svn.wordpress.org/trunk@52856 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/js/customize-widgets.js

@@ -1457,7 +1457,7 @@
 				self.container.addClass( 'expanding' );
 			};
 
-			if ( expanded ) {
+			if ( $toggleBtn.attr( 'aria-expanded' ) === 'false' ) {
 				if ( api.section.has( self.section() ) ) {
 					api.section( self.section() ).expand( {
 						completeCallback: expandControl

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-beta2-53266';
+$wp_version = '6.0-beta2-53267';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.