Ticket #37980: cannot-expand-no-events.37980.diff

src/wp-admin/js/customize-controls.js

@@ -614 +614 @@
                 attachEvents: function () {
                         var section = this;
 
+                        if( section.container.hasClass( 'cannot-expand' ) ) {
+                                return;
+                        }
+
                         // Expand/Collapse accordion sections on click.
                         section.container.find( '.accordion-section-title, .customize-section-back' ).on( 'click keydown', function( event ) {
                                 if ( api.utils.isKeydownButNotEnterEvent( event ) ) {