@Override
  public boolean shouldSkipCombine(Path path, Configuration conf) {
    return false;
  }
Converts Hive filter found in the passed job conf to an Iceberg filter expression. Then evaluates this
against the task's partition value producing a residual filter expression.
@param task - file scan task to evaluate the expression against
@param conf - job conf
@return - Iceberg residual filter expression
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergInputFormat.java