feat: adjust nushell

modules/nixos/desktop/misc.nix

@@ -2,12 +2,13 @@
   config,
   lib,
   pkgs,
+  pkgs-unstable,
   ...
 }: {
   # add user's shell into /etc/shells
   environment.shells = with pkgs; [
     bashInteractive
-    nushellFull
+    pkgs-unstable.nushell
   ];
   # set user's default shell system-wide
   users.defaultUserShell = pkgs.bashInteractive;