Fix auth issue if Private XML storage is not enabled

app/widgets/Login/Login.php

@@ -23,8 +23,7 @@ class Login extends Base
         $this->registerEvent('session_start_handle', 'onStart');
         $this->registerEvent('saslfailure', 'onSASLFailure');
         $this->registerEvent('storage_get_handle', 'onConfig');
-        $this->registerEvent('storage_get_errorfeaturenotimplemented', 'onConfig');
-        $this->registerEvent('storage_get_errorserviceunavailable', 'onConfig');
+        $this->registerEvent('storage_get_error', 'onConfig');
         $this->registerEvent('ssl_error', 'onFailAuth');
         $this->registerEvent('dns_error', 'onDNSError');
         $this->registerEvent('timeout_error', 'onTimeoutError');

lib/moxl/src/Moxl/Xec/Action/Storage/Get.php

@@ -32,4 +32,9 @@ class Get extends Action
             $this->deliver();
         }
     }
+
+    public function error($stanza, $parent = false)
+    {
+        $this->deliver();
+    }
 }