Chip variants sample shifts unselected chips when a chip is selected

When a chip is selected, it remains in its original position while the other chips shift downward. This causes the layout to jump and makes the sample look visually inconsistent.

<img width="1307" height="467" alt="Image" src="https://github.com/user-attachments/assets/83d5448c-1568-4dab-95ce-6f84ca85baeb" />