fix(i18n): Corrected plural for multi plural languages

[rakekniven]

Reported at Transifex.

[ChristophWurst]

Makes sense. Thank you!

[SebastianKrupinski]

@rakekniven the test will need to be adjusted. Do you want to do it or should I?

[rakekniven]

@rakekniven the test will need to be adjusted. Do you want to do it or should I?

See my commit. Does that work? There are still checks failing. 🤷

[SebastianKrupinski]

• Adjusted Ocuuring function plural's
• Adjusted remaining test
• Squashed and rebased

Should be ready to merge after CI run

[SebastianKrupinski]

/backport to stable32

[SebastianKrupinski]

/backport to stable31

[backportbot]

The backport to stable31 failed. Please do this backport manually.

# Switch to the target branch and update it
git checkout stable31
git pull origin stable31

# Create the new backport branch
git checkout -b backport/56486/stable31

# Cherry pick the change from the commit sha1 of the change against the default branch
# This might cause conflicts, resolve them
git cherry-pick 6fd91158

# Push the cherry pick commit to the remote repository and open a pull request
git push origin backport/56486/stable31

Error: Failed to push branch backport/56486/stable31: remote: Invalid username or token. Password authentication is not supported for Git operations.
fatal: Authentication failed for 'https://github.com/nextcloud/server.git/'

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