[Bug] Related posts in series not displayed in example site

[Tekki]

I confirm:

• I am running the extended version of Hugo version 0.91.0 or above to build my site.
• I have read the Hugo Clarity theme documentation.
• I have used the example site's config files as reference.
• I have reviewed other issues in this repository and mine is not recorded.

Hugo version

0.111.2 extended

Where is this bug showing up?

In the browser: Hugo builds the site, but something doesn't look right.

Operating system

Linux Debian Bullseye

Browser (if applicable)

No response

Current behavior

If one of the showRelatedInArticle or showRelatedInSidebar parameters is set to true, the title alone is displayed and no posts are listed.
In addition, the title is not translated inside the article.

Expected behavior

Articles should be listed, title should be translated.

Steps to reproduce

Set showRelatedInArticle and showRelatedInSidebar to true and open post "Using Hugo page bundles".

Relevant log output

No response

Related code

No response

Preferred solution

I'll create a PR.

Other information

No response