message: Update OCPP date only when not provided
diff: @@ -2064,7 +2064,7 @@ export default class OCPPService {
  // Enrich Request
  ocppRequest.chargeBoxID = chargingStation.id;
  ocppRequest.timezone = Utils.getTimezone(chargingStation.coordinates);
  - if (withTimeStamp) {
  + if (withTimeStamp && !ocppRequest.timestamp) {
  ocppRequest.timestamp = new Date();
  }
  }
  