fix: change stately to use arrow fn types (#8663)

[jvliwanag]

Change type declarations of functions on react-stately package to address typescript eslint unbound-method on user projects.

Closes #8663

Note that changing the type declarations actually uncovered existing issues. For now, the initial commit here skipped over those failing types. The succeeding commit exposes additional issues from the existing types that need to be fixed. Will appreciate advice what to do for those.

For reference, the lines that are problematic are:

• calendar/src/types.ts: L113 setValue
• useDatePickerState: L43 setDateValue
• useSingleSelectListState: L30 setFocused
• useVirtualizerState: L24 renderView
• useToastState: L43 add

✅ 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 types

🧢 Your Project:

[jvliwanag]

Noting that the initial commit here passed, but adding the failing types shortly which I think are valid issues that need fixing.