prevent osx from scroll-navigating by default

nix/system/worktop/darwin-configuration.nix

@@ -209,6 +209,9 @@ in
       mru-spaces = false;
       showhidden = true;
     };
+
+    # Two-finger scrolling should not cause browsers to navigate!!
+    NSGlobalDomain.AppleEnableSwipeNavigateWithScrolls = false;
   };
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];