keep blank for english asr result (#623)

zhaomingwork

2023-06-13 4a33f08defa92ac6c9c757dbde06d29d183bf203

 funasr/runtime/python/websocket/wss_client_asr.py

@@ -194,7 +194,7 @@
                text_print = text_print[-args.words_max_print:]
                os.system('clear')
                print("\rpid"+str(id)+": "+text_print)
            elif meg["mode"] == "online":
            elif meg["mode"] == "offline":
                text_print += "{}".format(text)
                text_print = text_print[-args.words_max_print:]
                os.system('clear')