[slider] When drag crosses an iframe and ends, `[data-dragging]` and `onValueCommitted` get stuck

[mj12albert]

Present also in alpha.8: If you move the cursor outside the iframe and let go, it doesn't remove the [data-dragging] style

Originally posted by @atomiks in #1874 (comment)

[github-actions]

This fix will be available in the next npm release of Base UI.

In the meantime, you can try it out on our Canary release channel:

npm i https://pkg.pr.new/@base-ui-components/react@2059