Changes to Get the envelope under review

added the new skipped enum value to the envelope/detectionStatus response property for the response status 200

added the optional property fields/items/group to the response with the 200 status

added the optional property fields/items/syntheticRoleId to the response with the 200 status

added the optional property fields/items/syntheticRoleName to the response with the 200 status

added the required property fields/items/locked to the response with the 200 status

added the required property sendPreflight to the response with the 200 status