rossLodge-R

External model reference doesn't generate JsonSubtypes or actual subtypes

1

So given two files: api.yaml: ```yaml openapi: 3.0.0 paths: {} info: title: "" version: "" components: schemas: Wrapper: type: object properties: polymorph: $ref: 'external-models.yaml#/components/schemas/PolymorphicEnumDiscriminator' ``` and external-models.yaml: ```yaml openapi: 3.0.0...