Update dialogue_manager: fix is_invalid

pqai_agent/dialogue_manager.py

@@ -144,7 +144,7 @@ class DialogueManager:
             return TimeContext.NIGHT
 
     def is_valid(self):
-        if not self.staff_profile.get('agent_name', None):
+        if not self.staff_profile.get('name', None) and not self.staff_profile.get('agent_name', None):
             return False
         return True