Rollup merge of #129824 - GuillaumeGomez:code-example-buttons-mobile, r=notriddle

Fix code examples buttons not appearing on click on mobile

When browsing docs on mobile today, I realized that the buttons didn't appear when I tapped on the code example.

One issue: I have no idea how to add a regression test for this case...

r? ``@notriddle``

Author: matthiaskrgr