Thank you for your reply.
The point is that the sitemap stayed there for two weeks and the urls found remained 0. I hope that with the new submit today something will change, but we decided to write you anyway, since we did the same test as you did.
We used this article, the same that you tried, and we searched it with site:url
If I try for example three times, I have different results.
Sometimes it replies as you showed me, sometimes the reply is this one.
screenshot4
And no link, for what we tested, was discovered by Google with the sitemap. That’s why we thought that there can be an issue there.
For the links not indexed, clicking on “Find out more” there is just a general explanation, not referred directly to the specific page.