dillon1000/react

[Fizz] Detatch boundary after flushing segment with boundary (#34694)

When we flush a Suspense boundary we might not flush the fallback
segment, it might only flush a placeholder instead. In this case the
segment can flush again but we do not want to flush the boundary itself
a second time. We now detach the boundary after flushing it.

better solution to: https://github.com/facebook/react/pull/34668