WIP

[hectahertz]

Closes https://github.com/github/primer/issues/5788

The previous code was calling setState directly during render. This is an anti-pattern that causes React to:

• Start rendering
• Detect a state update during render
• Restart the render with the new state
• Potentially loop multiple times

By converting these to useEffect with refs, the state updates now happen after the render completes, which is more efficient and follows React best practices.

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• Minor release
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Testing & Reviewing

Merge checklist

• Added/updated tests
• Added/updated documentation
• Added/updated previews (Storybook)
• Changes are SSR compatible
• Tested in Chrome
• Tested in Firefox
• Tested in Safari
• Tested in Edge
• (GitHub staff only) Integration tests pass at github/github (Learn more about how to run integration tests)

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[github-actions]

👋 Hi, this pull request contains changes to the source code that github/github-ui depends on. If you are GitHub staff, test these changes with github/github-ui using the integration workflow. Or, apply the integration-tests: skipped manually label to skip these checks.