Tooltips not working on "Try it on Stackblitz" and "Copy code" buttons of the examples in the doc (Astro)

[hannahiss]

Prerequisites

• I have searched for duplicate or closed issues
• I have validated any HTML to avoid common problems
• I have read the contributing guidelines

Describe the issue

Since Astro migration, on some pages, the tooltips on the "Try it on Stackblitz" and "Copy code" buttons of the examples work well, but on some other, they don't, and we have a title instead...

(same on Chrome and Firefox)

Reduced test cases

Working page: https://getbootstrap.com/docs/components/buttons/
Not working page: https://getbootstrap.com/docs/components/button-group/

What operating system(s) are you seeing the problem on?

Windows

What browser(s) are you seeing the problem on?

Chrome

What version of Bootstrap are you using?

v5.3.7