Wrong row-group size for imagefolder and audiofolder datasets
This is due to the `builder.info.features` not being available which causes `get_writer_batch_size_from_info` to return the wrong value in `parquet-and-info`
Wrong row-group size for imagefolder and audiofolder datasets: This is due to the `builder.info.features` not being available which causes `get_writer_batch_size_from_info` to return the wrong value in `parquet-and-info`