Import `map` to tnt service
Import `map` to tnt service

- _A better safe than sorry step_ since the `map`
  function wasn't available during some local tests

Signed-off-by: Shantanoo <995c1b5948015fe52140bd6a304f6f4b994eccbf@gmail.com>

nimble-platform/frontend-service,nimble-platform/frontend-service,nimble-platform/frontend-service,nimble-platform/frontend-service