fix: query result formatting

lib/cashbox-batches.js

@@ -19,15 +19,7 @@ function createCashboxBatch (rec) {
 function getBatches () {
   const sql = `SELECT cb.id, cb.device_id, cb.created, cb.operation_type, cb.bill_count_override, cb.performed_by,
   json_agg(b.*) AS bills FROM cashbox_batches cb LEFT JOIN bills b ON cb.id=b.cashbox_batch_id GROUP BY cb.id`
-  return db.any(sql).then(res => _.map(it => ({
-    id: it.id,
-    deviceId: it.device_id,
-    created: it.created,
-    operationType: it.operation_type,
-    billCountOverride: it.bill_count_override,
-    performedBy: it.performed_by,
-    bills: it.bills
-  }), res))
+  return db.any(sql).then(res => _.map(it => _.mapKeys(ite => _.camelCase(ite), it), res))
 }
 
 function editBatchById (id, performedBy) {