Fix nested sections always displaying last in list

[Netruk44]

What does this PR change? What problem does it solve?

Related PR mentions an issue where nested sections are always displayed last, regardless of the date they were made.

I wanted this to work correctly for my personal site, so I fixed the issue.

Was the change discussed in an issue or in the Discussions before?

No known discussions posts.

PR Checklist

• This change adds/updates translations and I have used the template present here.
• I have enabled maintainer edits for this PR.
• I have verified that the code works as described/as intended.
• This change adds a Social Icon which has a permissive license to use it.
• This change does not include any CDN resources/links.
• This change does not include any unrelated scripts such as bash and python scripts.
• This change updates the overridden internal templates from HUGO's repository.

[sonarcloud]

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