Further partitioning of Publish data based on other fields in the Dataset

## Background
It might be useful to further partition the data after the conformance phase, based on the fields of the dataset. Done per user setup.

## Goal
Enable sub-partitoning of data at the end of the Conformance phase based on dataset configuration

## Expected Task List
A list of expected issues that will be needed to achieve this Epic
1. New optional set-up for dataset specifying the sub-partioning based on the dataset fields
2. The actual partitioning in _SparkJobs_
3. According UI changes to allow the set up.