Fix controlled numberfield blur shows old value quickly

[snowystinger]

Closes #2870

✅ 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:

Go to NumberField controlled story
Select all the text in the input
Type '1'
Blur
Should no longer see a blur showing the original value before the formatting takes hold

🧢 Your Project:

[adobe-bot]

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