fix: squared brackets at 'nextVersion' and 'previousVersion' - modify model to match UI input element to data type
fix: squared brackets at 'nextVersion' and 'previousVersion'
- modify model to match UI input element to data type

jschnasse/katalog,hbz/zettel,hbz/zettel,jschnasse/katalog,jschnasse/katalog,hbz/zettel,hbz/zettel