diff -r be944660c56a -r 3d72ae0968f4 wp/wp-admin/js/customize-widgets.js
--- a/wp/wp-admin/js/customize-widgets.js	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-admin/js/customize-widgets.js	Tue Sep 27 16:37:53 2022 +0200
@@ -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