Many icons are not themed for Strawberry Music Player

[imoBooze]

• Distribution (version): NixOS 24.11 (Vicuna)
• Desktop environment: Hyprland
• Installing method: Nixpkgs
• App name (version): strawberry-qt6 1.1.2

All of the sidebar icons and icons in the settings page are unthemed.

https://github.com/user-attachments/assets/40fa0f0c-5393-4988-9212-81e04bde9556 https://github.com/user-attachments/assets/8253808a-e90c-4a03-8673-06e2408934ca