fix(wrapper): Correctly handle directories

[nickvergessen]

Fix #210

[nickvergessen]

/backport to stable29

[nickvergessen]

/backport to stable28

[nickvergessen]

/backport to stable27

[backportbot]

The backport to stable27 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable27
git pull origin stable27

# Create the new backport branch
git checkout -b backport/522/stable27

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 6433797f

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/522/stable27

Error: No changes found in backport branch

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Learn more about backports at https://docs.nextcloud.com/server/stable/go.php?to=developer-backports.