fix: update bar bellow the tab when text changes

[andreipavel102222]

Closes #8308

✅ 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:

[snowystinger]

Thanks for the PR!
This covers more cases, there are likely still some issues if the logic inside a tab causes the tab to change size. We can add a resize observer later though. This takes care of a pretty common case.