Method setMqttVersion

app/src/MQTT/Publisher.cpp:1503–1518

* @brief Sets the MQTT protocol version by index. */

 * @brief Sets the MQTT protocol version by index.
 */
void MQTT::Publisher::setMqttVersion(const quint8 version)
{
  quint8 index = 0;
  for (auto i = m_mqttVersions.begin(); i != m_mqttVersions.end(); ++i) {
    if (index == version) {
      if (i.value() == m_protocolVersion)
        return;

      m_protocolVersion = i.value();
      markConfigChanged();
      return;
    }

    ++index;
  }
}

/**
 * @brief Sets the SSL protocol by index.