feat: allow dom props on alert dialog. add test ids to alert dialog buttons

[snow893]

Closes #8369

✅ 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:

Check storybook entry

🧢 Your Project:

[LFDanLu]

LGTM, the team will need to discuss what kind of testids we'll want to provide in the future but hopefully we'll preserve the naming structure you've set up here.