[Slowness] Detached data-emotion="react-diff" style nodes

[iamsharbu]

• Try toggling the button to see the detached style nodes grow.
  https://codesandbox.io/p/sandbox/react-diff-viewer-continued-demos-forked-j97ls9

This seems to happen with 3.4.0. Downgraded it to 3.2.6 to work around this issue.