message: Billing - fix inconsistent log
diff: @@ -91,7 +91,7 @@ export default class BillPendingTransactionTask extends TenantSchedulerTask {
  tenantID: tenant.id,
  action: ServerAction.BILLING_BILL_PENDING_TRANSACTION,
  module: MODULE_NAME, method: 'processTenant',
  - message: `Transaction '${transactionMDB._id}' is not pending anymore`,
  + message: `Transaction '${transaction.id}' is not pending anymore`,
  });
  continue;
  }
  @@ -101,7 +101,7 @@ export default class BillPendingTransactionTask extends TenantSchedulerTask {
  tenantID: tenant.id,
  action: ServerAction.BILLING_BILL_PENDING_TRANSACTION,
  module: MODULE_NAME, method: 'processTenant',
  - message: `Unexpected situation - Transaction '${transactionMDB._id}' has already been billed`,
  + message: `Unexpected situation - Transaction '${transaction.id}' has already been billed`,
  });
  continue;
  }
  @@ -115,10 +115,9 @@ export default class BillPendingTransactionTask extends TenantSchedulerTask {
  await Logging.logInfo({
  tenantID: tenant.id,
  action: ServerAction.BILLING_BILL_PENDING_TRANSACTION,
  - actionOnUser: (transaction.user ? transaction.user : null),
  + actionOnUser: transaction.user,
  module: MODULE_NAME, method: 'processTenant',
  message: `The billing process has been started for transaction '${transaction.id}'`,
  - detailedMessages: { cdr: transaction.ocpiData.cdr }
  });
  } catch (error) {
  await Logging.logError({
  