[Qt6][Windows][VFS][Bug]: Corrupted files after hydrating with VFS on Windows (images look broken with glitches, office files are corrupted and can’t be opened).

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[X] This is a bug, not a question or a configuration issue.
[X] This issue is not already reported on Github (I've searched it).
[X] Nextcloud Server and Desktop Client are up to date. See Server Maintenance and Release Schedule and Desktop Releases for supported versions.
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Bug description

Some files can not be opened or are opened and look corrupted after syncing and downloading them with VFS. Especially, images and doc files are affected.

Steps to reproduce

Run a build built with Qt6
Setup a new folder with VFS and sync everything
Try to view (double-click to hydrate) some pictures (a Photo folder is a good test example)
Observe glitches in the image
Try to open doc files (double-click to hydrate) and observe some of them can not be opened due to editor complaining the file is corrupted

Expected behavior

Files are downloaded and are not corrupted

Which files are affected by this bug

all

Operating system

Windows

Which version of the operating system you are running.

All Windows

Package

Other

Nextcloud Server version

all

Nextcloud Desktop Client version

3.13.50

Is this bug present after an update or on a fresh install?

Fresh desktop client install

Are you using the Nextcloud Server Encryption module?

Encryption is Disabled

Are you using an external user-backend?

[ ] Default internal user-backend
[ ] LDAP/ Active Directory
[ ] SSO - SAML
[ ] Other

Nextcloud Server logs

No response

Additional info