Add validation when change the url without a workspace but with a session active

workflow/engine/methods/login/sysLogin.php

@@ -30,6 +30,10 @@ if (isset ($_POST['form']['USER_ENV'])) {
     die ();
 }
 
+@session_destroy();
+session_start();
+session_regenerate_id();
+
 //Required classes for dbArray work
 require_once ("propel/Propel.php");
 require_once ("creole/Creole.php");

workflow/engine/skinEngine/skinEngine.php

@@ -598,7 +598,9 @@ class SkinEngine
       $header = '';
 
       if (isset($oHeadPublisher)) {
+        if (defined('SYS_SYS')) {
             $oHeadPublisher->title = isset($_SESSION['USR_USERNAME']) ? '(' . $_SESSION['USR_USERNAME'] . ' ' . G::LoadTranslation('ID_IN') . ' ' . SYS_SYS . ')' : '';
+        }
         $header = $oHeadPublisher->printHeader();
         $header .= $oHeadPublisher->getExtJsStylesheets($this->cssFileName);
       }