Don't display errors in nushell

dot_config/nushell/config.nu.tmpl

@@ -25,10 +25,17 @@ overlay use work
 #{{- end }}
 
 $env.config = {
-    buffer_editor: null
+    buffer_editor: #{{ if lookPath "nvim" -}}
+    nvim
+    #{{ else if lookPath "vim" -}}
+    vim
+    #{{ else -}}
+    null
+    #{{- end }}
     color_config: (use themes.nu; $themes.dark)
     edit_mode: emacs
-    error_style: fancy
+    #error_style: plain # or fancy
+
     float_precision: 2
     footer_mode: 25
     recursion_limit: 50
@@ -46,7 +53,7 @@ $env.config = {
     }
 
     display_errors: {
-        exit_code: true
+        exit_code: false
         termination_signal: true
     }