Merge pull request 'OZG-5665 List of OzgFiles to Set of OzgFiles' (#617) from...

Merge pull request 'OZG-5665 List of OzgFiles to Set of OzgFiles' (#617) from OZG-5665-xDomea-Bescheid-Dateien-Download into master

Reviewed-on: https://git.ozg-sh.de/ozgcloud-app/alfa/pulls/617


Reviewed-by: OZGCloud <ozgcloud@mgm-tp.com>