To resolve the decodeAuthorizationCodeAndExtractUserName issue

[PrathibaJee]

To resolve the issue ,
ReferenceError: decodeAuthorizationCodeAndExtractUserName is not defined
at /home/node/node_modules/onf-core-model-ap/applicationPattern/services/AuthorizingService.js:27:29
loggingErrorHandler - caught error, returning response with status code "401" and body {"code":401,"message":"unauthorized","errors":[{"path":"/core-model-1-4:control-construct","message":"unauthorized"}]}