As a developer using the REST API I want the status property to reflect the fact that the rendition is being generated so that my client doesn't make a further request to generate it and receive a 409 response.
The Media Management module adds in the capability to track renditions progress and uses the IN_PROGRESS status for that so this endpoint should be consistent. We should migrate this capability from the module into the core of the repository.
- When a rendition is being generated an IN_PROGRESS status is returned
- OpenAPI spec is updated
- Automated tests have been updated
- Current Media management module can be successfully installed and executed against this update of the repository