Fix issue where the calculator face's user interface display was delayed about a quarter second due to the activation event being a no-op. Tested-by: David Volovskiy <devolov@gmail.com> Reported-by: David Volovskiy <devolov@gmail.com> Fixed-by: David Volovskiy <devolov@gmail.com> Reviewed-by: Matheus Afonso Martins Moreira <matheus@matheusmoreira.com> GitHub-Pull-Request: https://github.com/joeycastillo/Sensor-Watch/pull/454