vkconfig: misaligned layer filtering combo box

Observed this on microsfot arm surface laptop, not sure if the same on other platform. It look like Show only enabled layers is misaligned because it overlaps with Enabled.

<img width="512" height="143" alt="Image" src="https://github.com/user-attachments/assets/5194a06f-ecb8-49aa-8630-28d87ae3fc97" />