Changes to GET Unified sign in setup passcode options.

the active_methods response's property type changed from string to array for status 200

the available_methods response's property type changed from string to array for status 200

the identity_attributes response's property type changed from string to array for status 200

the setup_methods response's property type changed from string to array for status 200

removed the optional property methods from the response with the 200 status

added the optional property active_methods to the response with the 200 status

added the optional property available_methods to the response with the 200 status

removed the optional property code_methods from the response with the 200 status

added the optional property setup_methods to the response with the 200 status

endpoint added