fix react hook form example

[Makisuo]

Closes

✅ Pull Request Checklist:

• [ ] Included link to corresponding React Spectrum GitHub Issue.
• [ ] Added/updated unit tests and storybook for this change (for new code or code which already has tests).
• [ ] Filled out test instructions.
• [X] Updated documentation (if it already exists for this component).
• [ ] Looked at the Accessibility Practices for this feature - Aria Practices

📝 Test Instructions:

🧢 Your Project:

[snowystinger]

Thanks for the PR, you'll need to sign https://react-spectrum.adobe.com/contribute.html#contributor-license-agreement once you do, you may need to close and reopen this PR in order for it to take

[snowystinger]

GET_BUILD

[rspbot]

Build successful! 🎉

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[rspbot]

## API Changes

unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any', access: 'private' } unknown top level export { type: 'any', access: 'private' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'identifier', name: 'Column' } unknown top level export { type: 'identifier', name: 'Column' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown type { type: 'link' } unknown type { type: 'link' } unknown type { type: 'link' } unknown type { type: 'link' } unknown type { type: 'link' } unknown type { type: 'link' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' } unknown top level export { type: 'any' }