fix: ensure Dialog has the data-rac attribute

[amitdahan]

Related to #5748, like #6436 or #6452 but for Dialog.

✅ 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:

Use Dialog, the rendered <section> doesn't have the data-rac attribute.

🧢 Your Project:

[snowystinger]

One thing to note incase this comes up.
This does now pass close to style and classname. However, TS should prevent people from accidentally accessing it