Auto merge of #23090 - miller-time:nav-fetch-referrer, r=gterzian

Add referrer to navigation fetch request

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Implement step 13 of [following hyperlinks](https://html.spec.whatwg.org/#following-hyperlinks-2) and step 14.3 of [window open](https://html.spec.whatwg.org/#window-open-steps), as well as other referrer- and fetch-related updates.

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- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix #22890 (GitHub issue number if applicable)

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