ACP2E-3149: Double slashes in customer segment URL

Author: lakshmana49

lib/web/mage/adminhtml/grid.js

@@ -371,9 +371,8 @@ define([
                 parts = url.split(new RegExp('\\?'));
 
             url = parts[0].replace(re, '/');
-            if (varName && varValue) {
-                url += varName + '/' + varValue + '/';
-            }
+            url += varName + '/' + varValue + '/';
+
             if (parts.size() > 1) {
                 url += '?' + parts[1];
             }
@@ -562,7 +561,10 @@ define([
          * @param {Function} callback
          */
         resetFilter: function (callback) {
-            this.reload(this.addVarToUrl(this.filterVar, ''), callback);
+            let resetUrl = this.addVarToUrl(this.filterVar, '');
+
+            resetUrl = resetUrl.replace(/([^:]\/)\/+/g, '$1');
+            this.reload(resetUrl, callback);
         },
 
         /**