## Description

Automatic focus request on Slider value change prevents Overlay from correctly handling hover events.

Fixes #139281

### Before

![slider3](https://github.com/flutter/flutter/assets/38378650/815e12a4-ccaf-4b99-8480-6cbdc97a91bd)

### After

![slider4](https://github.com/flutter/flutter/assets/38378650/473eca22-0308-4964-8368-b0c158ae30eb)