lightburn: incompatible Qt library

[42willow]

Describe the bug

Cannot mix incompatible Qt library (5.15.15) with this library (5.15.17)
zsh: abort (core dumped)  lightburn

The Qt library for lightburn needs to be pinned to 5.15.15

Steps to reproduce

Steps to reproduce the behavior:

1. export NIXPKGS_ALLOW_UNFREE=1; nix run nixpkgs#lightburn --impure (under xorg, lightburn doesn't work under wayland)
2. incompatible Qt library error is produced

Expected behavior

Lightburn should run as expected

Additional context

https://github.com/NixOS/nixpkgs/blob/master/pkgs/applications/graphics/lightburn/default.nix

Metadata

• system: "x86_64-linux"
• host os: Linux 6.6.69, NixOS, 24.11 (Vicuna), 24.11.20250106.3f0a8ac
• multi-user?: yes
• sandbox: yes
• version: nix-env (Nix) 2.24.11
• nixpkgs: /nix/store/fz4h8yz3qr83p6cfhisgj02knjqg6nxs-source

Notify maintainers

@q3k

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[aucub]

Can you check #372918?