Fix issue with clicking option in dropdown not updating display.

[atmgrifter00]

Pull Request

🤨 Rationale

AzDO bug: Filterable nimble select does not select the option selected on click

👩‍💻 Implementation

Just a minor logic glitch that wasn't caught because an existing test wasn't robust enough.

🧪 Testing

✅ Checklist

• [ ] I have updated the project documentation to reflect my changes or determined no changes are needed.