Changes to Exchange code + PKCE verifier for a workspace session.

added the optional property error/widening to the response with the 400 status

added the optional property error/widening to the response with the 403 status

added the optional property error/widening to the response with the 429 status

added the optional property error/widening to the response with the 500 status

added the optional property error/widening to the response with the 503 status

added the new payload_too_large enum value to the error/code response property for the response status 400

added the new payload_too_large enum value to the error/code response property for the response status 403

added the new payload_too_large enum value to the error/code response property for the response status 429

added the new payload_too_large enum value to the error/code response property for the response status 500

added the new payload_too_large enum value to the error/code response property for the response status 503

added the new unprocessable enum value to the error/code response property for the response status 400

added the new unprocessable enum value to the error/code response property for the response status 403

added the new unprocessable enum value to the error/code response property for the response status 429

added the new unprocessable enum value to the error/code response property for the response status 500

added the new unprocessable enum value to the error/code response property for the response status 503

removed the payload_too_large enum value from the error/code response property for the response status 400

removed the payload_too_large enum value from the error/code response property for the response status 403

removed the payload_too_large enum value from the error/code response property for the response status 429

removed the payload_too_large enum value from the error/code response property for the response status 500

removed the payload_too_large enum value from the error/code response property for the response status 503

removed the unprocessable enum value from the error/code response property for the response status 400

removed the unprocessable enum value from the error/code response property for the response status 403

removed the unprocessable enum value from the error/code response property for the response status 429

removed the unprocessable enum value from the error/code response property for the response status 500

removed the unprocessable enum value from the error/code response property for the response status 503

added the new payload_too_large enum value to the error/code response property for the response status 400

added the new payload_too_large enum value to the error/code response property for the response status 403

added the new payload_too_large enum value to the error/code response property for the response status 429

added the new payload_too_large enum value to the error/code response property for the response status 500

added the new payload_too_large enum value to the error/code response property for the response status 503

added the new unprocessable enum value to the error/code response property for the response status 400

added the new unprocessable enum value to the error/code response property for the response status 403

added the new unprocessable enum value to the error/code response property for the response status 429

added the new unprocessable enum value to the error/code response property for the response status 500

added the new unprocessable enum value to the error/code response property for the response status 503

added the new service_unavailable enum value to the error/code response property for the response status 400

added the new service_unavailable enum value to the error/code response property for the response status 403

added the new service_unavailable enum value to the error/code response property for the response status 429

added the new service_unavailable enum value to the error/code response property for the response status 500

added the non-success response with the status 503