Merge pull request #19773 from abpframework/issue/18560

Fix: 3rd level menu toggle behavior in theme-basic module

modules/basic-theme/src/Volo.Abp.AspNetCore.Mvc.UI.Theme.Basic/wwwroot/themes/basic/layout.js

@@ -1,5 +1,7 @@
 $(function () {
     $('.dropdown-menu a.dropdown-toggle').on('click', function (e) {
+        $(this).next().toggleClass('show');
+
         if (!$(this).next().hasClass('show')) {
             $(this).parents('.dropdown-menu').first().find('.show').removeClass("show");
         }