fix: Clear button context provider on TagGroup items so they don't throw when in a CustomDialog

[LFDanLu]

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:

RSP

[snowystinger]

looks like it's failing the tests as well?
Warning: Function components cannot be given refs. Attempts to access this ref will fail. Did you mean to use React.forwardRef()

[LFDanLu]

oh lemme run against 18 locally, I assumed it was flaky

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the documentation
• View the S2 docs

[LFDanLu]

this was tricky to figure out lol

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the documentation
• View the S2 docs