nixos/hyprland: update portal override

nixos/modules/programs/hyprland.nix

···
   cfg = config.programs.hyprland;
 
   finalPortalPackage = cfg.portalPackage.override {
-    hyprland-share-picker = pkgs.hyprland-share-picker.override {
-      hyprland = cfg.finalPackage;
-    };
+    hyprland = cfg.finalPackage;
   };
 in
 {