console-hm: disable starship git_status if not using NixOS

* Disable starship git_status if we are not on NixOS to avoid problems
  like microsoft/WSL#4401 and starship/starship#301

config/new-modules/console/console-hm.nix

@@ -35,6 +35,7 @@
       settings = {
         line_break.disabled = true;
         git_branch.style = "bold green";
+        git_status.disabled = if pkgs.helpers.isNixOS then false else true;
       };
     };