OVT-8165: Changed the force refresh behavior: The codeElement is refreshed after parent code has been edited (Hyväksytty)
Fixed the broken codes download button.
OVT-7973: Added non-flushing inserts and separate flush methods to improve performance.
OVT-8171: Changed the MassCreate check for existing codeElement values and add only those not existing already. Also changed KoodiBusinessService to utilize new nonflushing inserts.
Merge branch 'develop' of https://github.com/Opetushallitus/koodisto into develop