ACP2E-3149: Double slashes in customer segment URL

Author: lakshmana49

dev/tests/js/jasmine/tests/lib/mage/adminhtml/grid.test.js

@@ -30,7 +30,7 @@ define(['mage/adminhtml/grid'], function () {
 
         it('should reset the filter, clean the URL, and reload with the correct URL', function () {
             let callback = jasmine.createSpy('callback'),
-                expectedUrl = 'https://test.com/';
+                expectedUrl = 'https://test.com/filter/';
 
             gridInstance.resetFilter(callback);
             expect(gridInstance.addVarToUrl).toHaveBeenCalledWith('filter', '');

lib/web/mage/adminhtml/grid.js

@@ -563,7 +563,7 @@ define([
         resetFilter: function (callback) {
             let resetUrl = this.addVarToUrl(this.filterVar, '');
 
-            resetUrl = resetUrl.replace('filter//', '');
+            resetUrl = resetUrl.replace(/([^:]\/)\/+/g, '$1');
             this.reload(resetUrl, callback);
         },