nixos/hypridle: check XDG_SESSION_DESKTOP as well

Docs: https://www.freedesktop.org/software/systemd/man/latest/systemd.unit.html#ConditionEnvironment=

nixos/modules/services/wayland/hypridle.nix

@@ -19,15 +19,21 @@ in
 
     systemd = {
       packages = [ cfg.package ];
-      user.services.hypridle.wantedBy = [ "graphical-session.target" ];
-      # Essential package needed for the service to run properly
-      user.services.hypridle.path = [
-        config.programs.hyprland.package
-        config.programs.hyprlock.package
-        pkgs.procps
-      ];
-      # Should only be started if a Hyprland session is active
-      user.services.hypridle.unitConfig.ConditionPathIsDirectory = "/run/user/%U/hypr";
+
+      user.services.hypridle = {
+        wantedBy = [ "graphical-session.target" ];
+
+        # Essential package needed for the service to run properly
+        path = [
+          config.programs.hyprland.package
+          config.programs.hyprlock.package
+          pkgs.procps
+        ];
+
+        # Should only be started if a Hyprland session is active
+        unitConfig.ConditionPathIsDirectory = "/run/user/%U/hypr";
+        unitConfig.ConditionEnvironment = "XDG_SESSION_DESKTOP=Hyprland";
+      };
     };
   };