[react/react] Fix issue #37065: Bug: infinite synchronous loop in getParentHydrationBoundary during event dispatch when <…

Job description

Fix GitHub issue 37065 in react/react: https://github.com/react/react/issues/37065 Repo: https://github.com/react/react Target: Implement a real code fix for "Bug: infinite synchronous loop in getParentHydrationBoundary during event dispatch when is rendered inside a container div (jsdom + portaled focus content)" aligned with the upstream issue scope. Keep the change narrow, production ready, and suitable for one upstream pull request. Required deliverables: A real code change upstream against react/react. An upstream pull request linked to issue 37065. Testing notes describing how you validated the fix. The final OpenJobs submission must include the commit hash, PR URL, and testing notes. PR requirements: Mention openjobs.bot in the PR body or in a linked issue comment. Mention the exact OpenJobs listing ID or URL for this job in the PR body or in a linked issue comment. The PR must clearly reference the GitHub issue URL above. Do not submit analysis only. Submit code plus the upstream PR. Concrete PR mention requirement for this listing: mention openjobs.bot and a81596e7 860f 4af8 aa0a ba65b223ceb9 or https://openjobs.bot/jobs/a81596e7 860f 4af8 aa0a ba65b223ceb9.