App became unusable after changing the theme to system from default.

### Problem description

//app shows nothing but static after change.

<img width="1707" height="1387" alt="Image" src="https://github.com/user-attachments/assets/f18c1001-2cdb-4fb0-81f8-6c2c7d9ed07b" />

### Steps to reproduce

1.  Open File Manager, change theme to system oriented.


### Operating system

PikaOS 7.1.0 Using Niri WM and DMS Shell

### App version

v2