[fix][node] modify code for scale node with baremetal cluster

Author: zhangjing2

dingo_command/services/instance.py

@@ -382,6 +382,8 @@ def create_baremetal(self, cluster_info, cluster: ScaleNodeObject, token):
                 tfvars.password = cluster.node_config[0].password
             elif cluster.node_config[0].auth_type == "keypair":
                 tfvars.password = ""
+            else:
+                tfvars.password = ""
             # 调用celery_app项目下的work.py中的create_cluster方法
             result = celery_app.send_task("dingo_command.celery_api.workers.create_cluster",
                                           args=[tfvars.dict(), cluster_info.dict(), instance_list])