chore: upgrade User Event

[snowystinger]

Closes

Upgrades our user event to the latest release and cleans up some code that was working around the previous behaviour.

I ran code coverage before and after and diffed, there were no changes.

✅ 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:

[rspbot]

Build successful! 🎉

• View the storybook
• View the S2 storybook
• View the S2 docs
• View the React Aria docs

[rspbot]

Agent Skills Changes

Modified (2)

• react-aria/skills/react-aria/references/components/Separator/useSeparator.md $\color{green}{+1}$ $\color{red}{-1}$
• s2/skills/react-spectrum-s2/references/react-aria/components/Separator/useSeparator.md $\color{green}{+1}$ $\color{red}{-1}$

Install

React Spectrum S2:

npx skills add https://d1pzu54gtk2aed.cloudfront.net/pr/1adff5a93a50e667e060087beff465b065176082/

React Aria:

npx skills add https://d5iwopk28bdhl.cloudfront.net/pr/1adff5a93a50e667e060087beff465b065176082/