hyprland syntax fix

modules/gui/WM/hyprland.nix

@@ -47,7 +47,7 @@ in
     xwayland.enable = true;
     settings = {
       exec-once = if cfg.gnome-keyring then ["${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1"]
-        else []);
+        else [];
       monitor = map (
         m: "${m.device},${builtins.toString m.resolution.x}x${builtins.toString m.resolution.y}@${builtins.toString m.refresh_rate},${builtins.toString m.position.x}x${builtins.toString m.position.y},${builtins.toString m.scale},transform,${builtins.toString m.transform}"
       ) monitors; #TODO: default value