Updating Croissant field names to include RecordSet names. (#2609)
* Follow croissant 1.0 specs
* Address comments.
* Committing to add correct context
* Change par
* Specify source_field
* Formatting and fixing tests.
* Support v1 croissant only
* Fixing f-strings.
* Croissant: Update field names to follow 1.0 specs
* Add comment line.
* Remove line.
* As discussed with Omar, remove `isEnumeration`