The extension doesn’t work with elements in iframes. It shows saying that there are no Scroll-Driven Animations attached to the element even though there are.

E.g. https://codepen.io/bramus/pen/vYvXWyv: inspect the parent page first, and then select `div.up` in the `iframe`. The extension incorrectly shows that there are no animations attached while there certainly are!

Reproduce the issue with the linked CodePen: inspect the parent page, then select `div.up` inside the iframe. Trace how the extension checks Scroll-Driven Animations for elements in an iframe, and verify the work is done when the selected element reports its attached animations instead of none.

Written by the indexing model from the issue text.