message: improvement - http.listener - default value if empty stream
diff: @@ -20,7 +20,7 @@ export const httpListener = ({ middlewares, effects, errorMiddleware }: HttpList
  combineMiddlewareEffects(middlewares)(res)(req)
  .pipe(
  switchMap(combineEffects(effects)(res)),
  - defaultIfEmpty({ status: HttpStatus.NOT_FOUND }),
  + defaultIfEmpty({ status: HttpStatus.NOT_FOUND } as EffectResponse),
  tap(handleResponse(res)),
  catchError(error =>
  getErrorMiddleware(errorMiddleware)(of(req), res, error)
  