platform: arduino: mqtt: make config message persist
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@ -83,7 +83,7 @@ MQTTTelemetry::handleEventOnline(const InputEvent& evt)
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char buf[1024];
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serializeJson(configJson, buf, sizeof(buf));
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Log.verbose("Publish %s %s", configTopic.c_str(), buf);
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m_mqtt.publish(configTopic.c_str(), buf);
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m_mqtt.publish(configTopic.c_str(), buf, true);
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m_mqtt.subscribe(m_cmdTopic);
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} else {
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Log.warning("Could not connect to MQTT");
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