message: billing data filter
diff: @@ -654,10 +654,15 @@ export default class UserStorage {
  // Select users with test billing data
  if (params.withTestBillingData) {
  const expectedLiveMode = !params.withTestBillingData;
  - filters.$and = [
  + const billingDataAndFilter = [
  { 'billingData': { '$exists': true } },
  { 'billingData.liveMode': { $eq: expectedLiveMode } }
  ];
  + if (filters.$and) {
  + filters.$and.push(billingDataAndFilter);
  + } else {
  + filters.$and = billingDataAndFilter;
  + }
  }
  // Select (non) technical users
  if (Utils.objectHasProperty(params, 'technical') && Utils.isBoolean(params.technical)) {
  