Is the origin sent in the referer header when the current document establishes a "strict-origin" policy and the protocol level improves?

I would like to know if the origin of the current document is sent in the referer header when it establishes a "strict-origin" policy and the protocol level improves.

For examples:
The current document is http://example.com/index.html, it sets a referer policy of "strict-origin", then some requests are made to https://anotherexample.com/script.js.

I would like to know what will be the value of the referer in this particular case (note that the protocol level improves).

Regarding the documentation (https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Referrer-Policy#strict-origin_2), it is not clear:

Thanks for your help,

Bests