wayland: niri: add xdg portal

modules/wms/wayland/niri/module.nix

@@ -25,5 +25,17 @@ in {
     environment.systemPackages = builtins.attrValues {
       inherit (pkgs) xwayland-satellite avizo;
     };
+
+    xdg.portal = {
+      enable = true;
+      xdgOpenUsePortal = true;
+      extraPortals = [
+        pkgs.xdg-desktop-portal-gtk
+      ];
+      config = {
+        common.default = ["*"];
+        hyprland.default = ["gtk"];
+      };
+    };
   };
 }