🐞 - Wrong appearance for tuiButtonCopy

### Reproduction url

https://taiga-ui.dev/components/copy#button-copy

### Description

<img width="782" height="526" alt="Image" src="https://github.com/user-attachments/assets/5930567f-b05d-4965-b7ac-87fa527ca5a5" />

### Taiga UI version

4.x

### Browser Used

Chrome

### OS Used

macOS