Repair Dask Parquet metadata handling for full versus partial overlap between Hive partition columns and…

Repair Dask Parquet metadata handling for full versus partial overlap between Hive partition columns and…: a task in MiMo-V2.6-RL-harbor-terminal: MiMo-V2.6-RL Terminal (Harbor) (Harbor dataset). The frozen Dask source tree is in /app/vendor/dask .