Replace react-autocomplete (#1263)

## Summary
- switch InputAutocomplete to `downshift`
- remove obsolete `react-autocomplete` dependency
- document autocomplete change in the changelog

## Testing
- `npm run lint`
- `npm run build`


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https://chatgpt.com/codex/tasks/task_e_68685a78c2d483319c068f813723c1a7

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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

package.json

@@ -60,7 +60,7 @@
     "react-accessible-accordion": "^5.0.1",
     "react-aria-menubutton": "^7.0.3",
     "react-aria-modal": "^5.0.2",
-    "react-autocomplete": "^1.8.1",
+    "downshift": "^9.0.9",
     "react-collapse": "^5.1.1",
     "react-color": "^2.19.3",
     "react-dom": "^18.2.0",
@@ -113,7 +113,6 @@
     "@types/react": "^18.2.67",
     "@types/react-aria-menubutton": "^6.2.14",
     "@types/react-aria-modal": "^5.0.0",
-    "@types/react-autocomplete": "^1.8.11",
     "@types/react-collapse": "^5.0.4",
     "@types/react-color": "^3.0.13",
     "@types/react-dom": "^18.2.22",