SearchAutocomplete: add help text support

[reidbarber]

✅ 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:

[rspbot]

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[LFDanLu]

LGTM, but would be nice to get some chromatic stories for this. If you wanna do that as a followup that is fine too

[snowystinger]

Chromatic currently failing due to tags missing translations. The searchautocomplete stories we have all passed. We can safely ignore the chromatic failure for this PR.

Can either make an empty commit or when main is merged next the chromatic review won't apply anymore.

[rspbot]

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[LFDanLu]

LGTM, do we wanna hold for after the release? If not, I'd prefer adding the chromatic stories for safety

[reidbarber]

@LFDanLu I'm fine with either, but lean towards waiting since we've tested everything. Also I noticed we don't have help text is most other field components chromatic stories either, so we may want to add those soon as well.

[reidbarber]

@LFDanLu I'll merge this now, and add chromatic stories in a separate PR. There may be a few more style fixes we want to get into SearchAutocomplete before getting a baseline.

[rspbot]

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[rspbot]

## API Changes

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

@react-aria/autocomplete

SearchAutocompleteAria

 SearchAutocompleteAria<T> {
   clearButtonProps: AriaButtonProps
+  descriptionProps: DOMAttributes
+  errorMessageProps: DOMAttributes
   inputProps: InputHTMLAttributes<HTMLInputElement>
   labelProps: DOMAttributes
   listBoxProps: AriaListBoxOptions<T>
 }

it changed:

• useSearchAutocomplete

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