MediaTracker not showing poster for shows

### Widget link

https://github.com/glanceapp/community-widgets/tree/main/widgets/mediatracker-upcoming-tv-shows

### Description

The widget appears to be working except for the fact that a thumbnail of the poster for the the shows does not appear.

<img width="369" height="137" alt="Image" src="https://github.com/user-attachments/assets/ea40aace-14f5-454f-90c1-77e6b12ff53c" />