fix start timestamp in sentence_info (#2024)

lingji-yidong

2024-08-19 f43da18b5e097515c12438c70fc7918c29e5d0c8

 runtime/websocket/bin/funasr-wss-client-2pass.cpp

@@ -449,6 +449,7 @@
        m_client.get_alog().write(websocketpp::log::alevel::app,
                                  "Send Error: " + ec.message());
      }
      delete[] iArray;
      Pa_Sleep(20);  // sleep for 20ms
    }