Fix the issue that the length of private namespaces are mis-calculated

CHANGES.md

@@ -7,6 +7,7 @@ Apollo 2.3.0
 ------------------
 * [Fix circular references on LdapAutoConfiguration](https://github.com/apolloconfig/apollo/pull/5055)
 * [Add comment for clusters and UI display](https://github.com/apolloconfig/apollo/pull/5072)
+* [Fix the issue that the length of private namespaces are mis-calculated](https://github.com/apolloconfig/apollo/pull/5078)
 
 
 ------------------

apollo-portal/src/main/resources/static/scripts/controller/NamespaceController.js

@@ -86,7 +86,7 @@ namespace_module.controller("LinkNamespaceController",
             };
 
             function shouldAppendNamespacePrefix() {
-                return  $scope.appendNamespacePrefix;
+                return $scope.appNamespace.isPublic ? $scope.appendNamespacePrefix : false;
             }
 
             var selectedClusters = [];