fix(fnm): Automatic version switching failed. (#1064)

![image](https://github.com/user-attachments/assets/c31f7a3a-e312-4773-bb25-5e3c10747bd6)

Author: ziboh

modules/fnm/fnm.nu

@@ -1,47 +1,47 @@
-export-env {
-    def fnm-env [] {
-        mut env_vars = {}
-        let pwsh_vars = (
-            ^fnm env --shell power-shell | 
-            lines | 
-            parse "$env:{key} = \"{value}\""
-        )
-
-        # fnm-prefixed vars
-        for v in ($pwsh_vars | slice 1..) {
-            $env_vars = ($env_vars | insert $v.key $v.value) 
-        }
-
-        # path
-        let env_used_path = ($env | columns | where {str downcase | $in == "path"} | get 0)
-        let path_value = ($pwsh_vars | get 0.value | split row (char esep))
-        $env_vars = ($env_vars | insert $env_used_path $path_value)
-
-        return $env_vars
-    }
-
-    if not (which fnm | is-empty) {
-        fnm-env | load-env
-
-        $env.config = (
-            $env.config?
-            | default {}
-            | upsert hooks { default {} }
-            | upsert hooks.env_change { default {} }
-            | upsert hooks.env_change.PWD { default [] }
-            )
-            let __fnm_hooked = (
-                $env.config.hooks.env_change.PWD | any { try { get __fnm_hook } catch { false } }
-            )
-            if not $__fnm_hooked {
-            $env.config.hooks.env_change.PWD = ($env.config.hooks.env_change.PWD | append {
-                __fnm_hook: true,
-                code: {|before, after|
-                if ('FNM_DIR' in $env) and ([.nvmrc .node-version] | path exists | any { |it| $it }) {
-                    (^fnm use); (fnm-env | load-env) 
-                    }
-                }
-            })
-        }
-    }
-}
+export-env {
+  def fnm-env [] {
+    mut env_vars = {}
+    let pwsh_vars = (
+      ^fnm env --shell power-shell | lines | parse "$env:{key} = \"{value}\""
+    )
+
+    # fnm-prefixed vars
+    for v in ($pwsh_vars | slice 1..) {
+      $env_vars = ($env_vars | insert $v.key $v.value)
+    }
+
+    # path
+    let env_used_path = ($env | columns | where { str downcase | $in == "path" } | get 0)
+    let path_value = ($pwsh_vars | get 0.value | split row (char esep))
+    $env_vars = ($env_vars | insert $env_used_path $path_value)
+
+    return $env_vars
+  }
+
+  if not (which fnm | is-empty) {
+    fnm-env | load-env
+
+    $env.config = (
+      $env.config?
+      | default {}
+      | upsert hooks { default {} }
+      | upsert hooks.env_change { default {} }
+      | upsert hooks.env_change.PWD { default [] }
+    )
+    let __fnm_hooked = (
+      $env.config.hooks.env_change.PWD | any { try { get __fnm_hook } catch { false } }
+    )
+    if not $__fnm_hooked {
+      $env.config.hooks.env_change.PWD = (
+        $env.config.hooks.env_change.PWD | append {
+          __fnm_hook: true
+          code: {|before, after|
+            if ('FNM_DIR' in $env) and ([.nvmrc .node-version] | path exists | any {|it| $it }) {
+              ^fnm use
+            }
+          }
+        }
+      )
+    }
+  }
+}