Hotfix: add itempart admin screen didn't submit due to a JS bug.
Merge branch 'master' of https://github.com/kcl-ddh/digipal
Merge branch 'master' of https://github.com/kcl-ddh/digipal
Merge branch 'master' of https://github.com/kcl-ddh/digipal
New sub command dpmigrate update_derived_fields to resave the itemss.