Add chatId in ws connection

config/fastgpt.xfyun.dfn.json

@@ -56,6 +56,7 @@
   },
   "agent": {
     "greeting_mode": "fastgpt_opener",
+    "fastgpt_reconnect_greeting": "欢迎回来继续对话",
     "response_state": {
       "enabled": false,
       "tag": "state",
@@ -83,7 +84,6 @@
       "base_url": "http://localhost:3030",
       "model": "my-voice-app",
       "app_id": "6a153aed53e3f8d9f2744905",
-      "chat_id": null,
       "variables": {},
       "detail": false,
       "timeout_sec": 60.0