fix: add WiFi connection check and restart Bambu if not connected

src/main.cpp

@@ -98,6 +98,10 @@ void loop() {
 
   // Wenn Bambu auto set Spool aktiv
   if (autoSendToBambu && autoSetToBambuSpoolId > 0) {
+    if (!bambu_connected)
+    {
+      bambu_restart();
+    }
     if (intervalElapsed(currentMillis, lastAutoSetBambuAmsTime, autoSetBambuAmsInterval)) 
     {
       if (hasReadRfidTag == 0)