To reproduce:
* Create a new user account.
* Enable the CX beta feature in the Portuguese Wikipedia.
* Enable the CX beta feature in the Spanish Wikipedia (see T87509).
* Go to https://pt.wikipedia.org/wiki/20th_Century_London .
* Click the red interlanguage link and start a translation.
* Click all the paragraphs.
* Change the text in the first paragraph (to avoid the "100% MT warning").
* Click the "Publish" button.
* Publishing confirmation with a link to the published user-space draft appears. Click the link.
Observed: An un-created wiki page appears. When clicking the "Contributions" link at the top, creating the page doesn't appear in user's contributions.
Expected: The create user-space draft must appear with the appropriate content. When clicking the "Contributions" link at the top, creating the page is supposed to appear as one of user's contributions.