nix/home-manager/config/desktop.nix

{ lib, config, ... }:
{
    xdg.desktopEntries = lib.mkIf config.meta.home-manager.desktop.enable {
        # Override vesktop for matching icon in beautyline (make it generic discord icon)
        vesktop = {
            categories = [ "Network" "InstantMessaging" "Chat" ];
            exec = "vesktop %U";
            genericName = "Internet Messenger";
            icon = "discord"; # CHANGED
            name = "Vesktop";
            type = "Application";
        };
    };
}