Can't load parquet directory have empty file #1594

Describe the bug
When you import the parquet type file directory generated by SPARK.
you might have multiple files, but some of them have only headers and no data.
But this is a normal situation that can lead to overall failure.
https://github.com/apache/incubator-doris/blob/f7a05d85802a3bd79677b4194b539eeb499d7c98/be/src/exec/parquet_reader.cpp#L58