fix websocketsrv.cpp for new apis

lyblsgo

2023-05-10 9eaa9de61afdeb384825a2d6f9bcc2122c9a0804

 funasr/runtime/triton_gpu/model_repo_paraformer_large_offline/feature_extractor/config.pbtxt

@@ -34,6 +34,10 @@
    value: { string_value: "16000"}
  },
  {
    key: "cmvn_path"
    value: { string_value: "./model_repo_paraformer_large_offline/feature_extractor/am.mvn"}
  },
  {
    key: "config_path"
    value: { string_value: "./model_repo_paraformer_large_offline/feature_extractor/config.yaml"}
  }