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.
• 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! 🎉

• View the storybook
• View the storybook-canary
• View the storybook-17
• View the storybook-16
• View the documentation

[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' }

[LFDanLu]

LGTM, thanks for the fix!