Revert "revert breaking thing"

This reverts commit 4b2f638d23.

modules/desktops/hyprland-desktop.nix

@@ -10,7 +10,13 @@
       enable = true;
       settings.default_session = {
         user = "schulze";
-        command = "$SHELL -l";
+        command = ''
+          ${pkgs.runtimeShell} -l -c '
+            if ${pkgs.uwsm}/bin/uwsm check may-start; then
+              exec ${pkgs.uwsm}/bin/uwsm start hyprland.desktop
+            fi
+          '
+        '';
       };
     };