* Add new transformer grouping to matrix
* Add new transformer grouping to matrix tests
* Add new transformer grouping to matrix UI
* Fix tests for grouping to matrix transformer
* Update transformer to latest interfaces
* Add field selector to form
* Make linter happier
* Replace Fields with InlineSnapshot as it was to taking units properly
* Rearrange for new transformers structure
* Expose GroupingToMatrix options as part of data package
* Increase labelWidth as suggested
* Add uniqueValues helper function and use it to extract Column and Row Values
