modules/wayland: fix xdg portals

modules/wms/wayland/module.nix

@@ -1,5 +1,42 @@
-_: {
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.modules) mkForce mkIf;
+  inherit (lib.options) mkEnableOption;
+  inherit (lib.lists) optional;
+in {
   imports = [
     ./variables.nix
   ];
+
+  xdg.portal = {
+    enable = true;
+    # Sets environment variable NIXOS_XDG_OPEN_USE_PORTAL to 1.
+    # This will make xdg-open use the portal to open programs,
+    # which resolves bugs involving programs opening inside FHS envs
+    # or with unexpected env vars set from wrappers.
+    # See #160923 for more info.
+    xdgOpenUsePortal = true;
+    extraPortals =
+      [
+        pkgs.xdg-desktop-portal-gtk
+      ]
+      ++ (
+        optional config.programs.niri.enable
+        pkgs.xdg-desktop-portal-gnome
+      )
+      ++ (
+        optional config.programs.hyprland.enable
+        pkgs.xdg-desktop-portal-hyprland
+      );
+    config = {
+      common.default = mkIf config.programs.hyprland.enable ["*"];
+    };
+    configPackages = [
+      pkgs.niri
+    ];
+  };
 }

modules/wms/wayland/niri/module.nix

@@ -52,21 +52,5 @@ in {
         inherit (pkgs) xwayland-satellite avizo;
         inherit new-swww;
       };
-
-      xdg.portal = {
-        enable = true;
-        xdgOpenUsePortal = true;
-        extraPortals = [
-          pkgs.xdg-desktop-portal-gtk
-          pkgs.xdg-desktop-portal-gnome
-        ];
-        config = {
-          common.default = ["*"];
-          hyprland.default = ["gtk"];
-        };
-        configPackages = [
-          pkgs.niri
-        ];
-      };
     };
 }