react-spectrum

233900c3 - fix: use attribute presence check for data-react-aria-top-layer in MutationObserver (#9763)

fix: use attribute presence check for data-react-aria-top-layer in MutationObserver (#9763) * fix: use attribute presence check for data-react-aria-top-layer in MutationObserver Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * Add test * remove unnecessary comment --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> Co-authored-by: Robert Snow <snowystinger@gmail.com>