Hi everyone,

I've been experiencing a strange inconsistency with the Plex integration in Sonos, and I believe it may be a UI-related bug.

### The issue:
- When I **search for a track** using the **Sonos mobile app** (tested on both Android and iOS), the result appears but is **grayed out** and cannot be clicked or played.
- However, when I perform the **same search using the Sonos controller app on Windows**, the **track is fully clickable and plays perfectly**.
- In both cases, I’m logged into the same Sonos system and accessing the same Plex server.

### Additional details:
- I run Plex on a QNAP server (Docker, host networking, public IP and port 32400 exposed).
- Remote access is fully working.
- Album and artist search results appear normally in all Sonos apps and are fully playable.
- Tracks also play correctly from within albums — this only affects search results for individual tracks in the **mobile apps**.
- Plex logs confirm that the search response is the same for both clients — it's only the **visual state in the Sonos UI** that's different.

### Why this matters:
Since playback is fully functional and stream URLs are accessible, it seems like the **mobile apps are applying stricter UI logic** that incorrectly marks the track as unplayable. The desktop app behaves correctly.

Would love to know if this is a known issue or if there's a fix/workaround to make the mobile UI behave the same way.

Thanks in advance!