fix: update weight field in update payload to only include values greater than 10

src/api.cpp

@@ -147,7 +147,7 @@ bool updateSpoolTagId(String uidString, const char* payload) {
     // Update Payload erstellen
     JsonDocument updateDoc;
     updateDoc["extra"]["nfc_id"] = "\""+uidString+"\"";
-    updateDoc["weight"] = weight;
+    if (weight > 10) updateDoc["weight"] = weight;
     
     String updatePayload;
     serializeJson(updateDoc, updatePayload);