Method setCleanSession

app/src/MQTT/Publisher.cpp:1453–1460

* @brief Sets the broker clean-session flag. */

 * @brief Sets the broker clean-session flag.
 */
void MQTT::Publisher::setCleanSession(const bool cleanSession)
{
  if (m_cleanSession == cleanSession)
    return;

  m_cleanSession = cleanSession;
  markConfigChanged();
}

/**
 * @brief Toggles publishing of notifications to MQTT.