Method save

src/frontend/datasources/MQTTConnectionManagerDialog.cpp:99–103

! * \brief Saves the settings for the mainWidget */

 * \brief Saves the settings for the mainWidget
 */
void MQTTConnectionManagerDialog::save() {
	// ok-button was clicked, save the connections if they were changed
	if (m_changed)
		mainWidget->saveConnections();
}