fix bug in asr_inference_paraformer_vad_punc and support without punc model

lzr265946

2023-02-08 5db5950e0735783a8b1c3b5278868b75dd8556a7

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.idea
./__pycache__/
*/__pycache__/
*/*/__pycache__/
*/*/*/__pycache__/
.DS_Store
init_model/
*.tar.gz