Add support for ZIP-Downloads on macOS

[Louisbertelsmann]

Allow Users to choose from ZIP or TAR-Archives

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Is your feature request related to a problem? Please describe. I shared a folder with a friend for him to download the data. The problem is that it always downloads as a tar-archive due to him using macOS.

Describe the solution you'd like I think a dropdown to choose from different archive-types would be great to solve this, as it gives the end-user the chance to download whatever they want. This way they don't have to use 3rd-party software to extract the archives.

Describe alternatives you've considered It would also be possible to just put an option in the administrative options to choose from whether to use tar or ZIP-archives, although this would perhaps cause some trouble, if the zip fails. With the preferred solution, they'd be able to choose tar if the ZIP-variant doesn't work.

[solracsf]

Linked to https://github.com/nextcloud/server/issues/41037 (last comment).