fix task.py with no dest_sample_rate task; fix bug in train and infer

mengzhe.cmz

2023-04-12 1ad439f96b8cdbca98ee95b886d692dfa20e85ce

 funasr/bin/punc_inference_launch.py

@@ -75,6 +75,9 @@
    if mode == "punc":
        from funasr.bin.punctuation_infer import inference_modelscope
        return inference_modelscope(**kwargs)
    if mode == "punc_VadRealtime":
        from funasr.bin.punctuation_infer_vadrealtime import inference_modelscope
        return inference_modelscope(**kwargs)
    else:
        logging.info("Unknown decoding mode: {}".format(mode))
        return None