Update nushell.txt

Expand path before checking for its type. This solves the issue of ignoring symlinks.

templates/nushell.txt

@@ -60,7 +60,7 @@ def --env --wrapped __zoxide_z [...rest: string] {
   let path = match $rest {
     [] => {'~'},
     [ '-' ] => {'-'},
-    [ $arg ] if ($arg | path type) == 'dir' => {$arg}
+    [ $arg ] if ($arg | path expand | path type) == 'dir' => {$arg}
     _ => {
       zoxide query --exclude $env.PWD -- ...$rest | str trim -r -c "\n"
     }