* fix a bug for wenet streaming model. The chunk shift was wrong. See https://github.com/wenet-e2e/wenet/blob/main/runtime/core/decoder/asr_model.cc#L15 and https://github.com/wenet-e2e/wenet/blob/main/runtime/core/decoder/asr_model.cc#L28
See https://user-images.githubusercontent.com/5284924/282995968-f6d39118-8008-4ce7-9d7c-d1d6387ac183.png