Resend sensors to HA if online status received

src/PassthroughMqttHandler.cpp

@@ -25,4 +25,7 @@ bool PassthroughMqttHandler::publishRaw(String data) {
 
 uint8_t PassthroughMqttHandler::getFormat() {
     return 255;
-}
+}
+
+void PassthroughMqttHandler::onMessage(String &topic, String &payload) {
+}

src/PassthroughMqttHandler.h

@@ -12,6 +12,8 @@ public:
     bool publishSystem(HwTools* hw, EntsoeApi* eapi, EnergyAccounting* ea);
     bool publishRaw(String data);
 
+    void onMessage(String &topic, String &payload);
+
     uint8_t getFormat();
 };
 #endif