Changes to Get current active node parameters

removed the media type application/vnd.api+json for the response with the status 200

response body list-of-types was widened by adding types array to media type application/json of response 200

added the media type application/vnd.api+json for the response with the status 200

added the non-success response with the status 415

removed the media type application/vnd.api+json for the response with the status 200

the optional response header Content-Type removed for the status 200

response body list-of-types was narrowed by removing types array from media type application/json of response 200

removed the non-success response with the status 415