Compose "No data for this contact" is not centered

### Steps to reproduce

<img width="434" height="307" alt="Image" src="https://github.com/user-attachments/assets/0fd43469-1a28-4b8d-9f96-0c518865ae3c" />

This looks a bit off. Should it be centered?

### Mail app version

5.7.0

### Nextcloud version

33
