message: Updated template migration task with getNumberOfConnectedPhases()
diff: @@ -69,12 +69,11 @@ export default class UpdateChargingStationTemplatesTask extends MigrationTask {
  chargingStationUpdated = true;
  }
  if (!Utils.objectHasProperty(connector, 'phaseAssignmentToGrid')) {
  - if (chargingStation.siteArea?.numberOfPhases === 3) {
  - if (connector.numberOfConnectedPhase === 1) {
  + const numberOfPhases = Utils.getNumberOfConnectedPhases(chargingStation, null, connector.connectorId);
  + if (numberOfPhases === 1) {
  connector.phaseAssignmentToGrid = { csPhaseL1: OCPPPhase.L1, csPhaseL2: null, csPhaseL3: null } ;
  - } else {
  + } else if (numberOfPhases === 3) {
  connector.phaseAssignmentToGrid = { csPhaseL1: OCPPPhase.L1, csPhaseL2: OCPPPhase.L2, csPhaseL3: OCPPPhase.L3 } ;
  - }
  } else {
  connector.phaseAssignmentToGrid = null;
  }
  