Fix api_server user manager

pqai_agent_server/api_server.py

@@ -547,7 +547,7 @@ if __name__ == '__main__':
     chat_history_db_config = config['storage']['chat_history']
 
     # init user manager
-    user_manager = MySQLUserManager(agent_db_config, growth_db_config, staff_db_config['table'])
+    user_manager = MySQLUserManager(agent_db_config, user_db_config['table'], staff_db_config['table'])
     app.user_manager = user_manager
 
     # init session manager