Problems with import of S/Mime certifikate

Infos:

• Used Zammad version: 6.2.0-1710170837.6e9cfa61.focal
• Used Zammad installation type: package
• Operating system: Ubuntu 20.04
• Browser + version: Microsoft Edge Version 123.0.2420.97

Expected behavior:

• Can import private key of S/Mime certifikate

Actual behavior:

• I get StatusCode: 500

undefined method `join' for "[\"example@example.com\"]":String

      subject_alternative_name: cert.email_addresses.join(', ')
                                                    ^^^^^

Steps to reproduce the behavior:

• Go to Integration → S/Mime → Add private key → Add File or private Key String + password → Click add