fix TSM-563

What does this MR do?

Fix bug https://ufz-rdm.atlassian.net/jira/software/c/projects/TSM/boards/105?selectedIssue=TSM-563

Beim Speichern eines neuen QAQC-Settings wirft der der worker-db-setup einen Fehler

Why is this MR needed?

How to test this MR?

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Do not change the auto-generated Merge commit message or Squash commit message, otherwise the release pipeline fails!