test(save-as): correct file name assertion

[elzody]

• Target version: main

Summary

Resolves Cypress test failures in direct.spec.js. They started appearing with #5689 and are due to a change in the displayed file path when using "Save as" from a direct editing session.

Checklist

• Code is properly formatted
• Sign-off message is added to all commits
• Documentation (manuals or wiki) has been updated or is not required

[elzody]

/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/5731/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 c1d6f88d

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/5731/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.