Broken page layout when page not found

[okjungsoo]

Summary

The page's layout is broken.

URL

https://developer.mozilla.org/en-US/docs/Web/API/ChromeWorker

Reproduction steps

1. Go to https://developer.mozilla.org/en-US/docs/Web/API/ChromeWorker

Expected behavior

The page layout should look good.

Actual behavior

Broken layout

Device

Desktop

Browser

Chrome

Browser version

Stable

Operating system

Mac OS

Screenshot

Anything else?

No response

Validations

• [X] I have read the Community Participation Guidelines.
• [X] I have verified that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] I have checked that this is a concrete bug. For Q&A open a GitHub Discussion.

[caugner]

The layout of the page already looks better, but it's missing the header now:

[caugner]

This will be fixed by https://github.com/mdn/yari/pull/7070.

PS: Here is the code location that returns the LoadingError without other elements like TopNavigation:

https://github.com/mdn/yari/blob/5c0fe01141754f17605929d63ef988489c1c43a8/client/src/document/index.tsx#L175-L177