How to remove fields of navigation menu names now appearing in menu and sitemap?
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All the past, the names of navigation menus did not appear in the pages, posts and the revisions under WordPress.com host.
Since I logged in yesterday (10 May 2026), the names appear in the menu (as circled in following screenshot) and also in sitemap together with multiple “Navigation Menu:” which seem to be field labels.
Note that these are NOT text added as blocks, which can be deleted, as shown in the screenshot.

The names and field labels are also appearing in past revisions (see following screenshot) when the revisions were saved without the names and field labels appearing.

The published site have been showing without the names and field labels appearing (see following screenshot).

Could someone help advising how to stop the menu names and field labels from appearing? Till now the issue has not been resolved hence I cannot publish my content change else risk affecting the site.
What was the cause since it happened while I was not logged in?
Note that I am using “Twenty Twenty-Four” theme.
The blog I need help with is: (visible only to logged in users)