Update swagger.yaml
Re #8708 - Changed /api/certificates/{id}/identity endpoint method back to POST (facepalm)
Changed REST API tests accordingly.
Re #8708 - Changed the swagger.yaml accordingly to the previous REST API endpoint changes (/api/certificate/{id}/identity endpoint)
Changed method from POST to GET.Changed 201 status code to 200.Improved status code descriptions.Improved ID parameter description....
Updated swagger.yaml
Re #8476 - Refactored the application; swagger is not used for code generation anymore, REST API is being implemented from scratch. Migration only, fixing tests.