adapt xserver options

base/gui-programs.nix

@@ -34,15 +34,18 @@ in {
           if config.my.gui.isNvidia
           then ["nvidia"]
           else options.services.xserver.videoDrivers.default;
+        xkb = {
           layout = "fr";
-        xkbVariant = "us";
+          variant = "us";
+        };
+      };
+
       libinput = {
         enable = true;
         touchpad = {
           naturalScrolling = true;
         };
       };
-      };
 
       logind.lidSwitch = "ignore";