Disable fresh login check in auth engines that won't support it

data/users/federated.py

@@ -24,6 +24,10 @@ class FederatedUsers(object):
   def federated_service(self):
     return self._federated_service
 
+  @property
+  def supports_fresh_login(self):
+    return True
+
   @property
   def supports_encrypted_credentials(self):
     return True