Refactor configuration of order file template.
After extraction of reference data component to separate service, there is a need to refactor configuring order file template functionality done in OLMIS-965.
Issues reported by Weronika:
"it is no longer possible to populate some of the fields from requisition information - for example product code and name , (and also period start date). Entering keyPath like "product/code" or "requisition/processingPeriod/startDate" will result in error. These informations are in reference data service, requisition objects contains only UUID of objects from reference data."
All from the