fix(DirectEditing): check if user is enabled

[silverkszlo]

📝 Summary

In directEditing sessions: check if user is enabled before letting them update the file

🏁 Checklist

• Code is properly formatted (npm run lint / npm run stylelint / composer run cs:check)
• Sign-off message is added to all commits
• Tests (unit, integration and/or end-to-end) passing and the changes are covered with tests
• Documentation (README or documentation) has been updated or is not required

🤖 AI (if applicable)

• The content of this PR was partly or fully generated using AI tools
• The AI-generated content was reviewed, comprehended and tested by a human

[max-nextcloud]

The actual fix looks good. The autoloader thing should probably be fixed separately. Ideally ahead of merging this so CI can run after a rebase.

[max-nextcloud]

/backport! to stable34 please

[max-nextcloud]

/backport! to stable33 please

[max-nextcloud]

/backport! to stable32 please

[silverkszlo]

/backport! to stable31 please

[silverkszlo]

/backport! to stable30 please

[backportbot]

The backport to stable30 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable30
git pull origin stable30

# Create the new backport branch
git checkout -b backport/8951/stable30

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 5b6d66ed ee7268cf

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/8951/stable30

Error: Failed to check for changes with origin/stable30: 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.