nushell: set vi insert/normal to line/block

Just like in emacs evil-mode

.config/nushell/config.nu

@@ -222,8 +222,8 @@ $env.config = {
 
     cursor_shape: {
         emacs: line # block, underscore, line, blink_block, blink_underscore, blink_line, inherit to skip setting cursor shape (line is the default)
-        vi_insert: block # block, underscore, line, blink_block, blink_underscore, blink_line, inherit to skip setting cursor shape (block is the default)
-        vi_normal: underscore # block, underscore, line, blink_block, blink_underscore, blink_line, inherit to skip setting cursor shape (underscore is the default)
+        vi_insert: line # block, underscore, line, blink_block, blink_underscore, blink_line, inherit to skip setting cursor shape (block is the default)
+        vi_normal: block # block, underscore, line, blink_block, blink_underscore, blink_line, inherit to skip setting cursor shape (underscore is the default)
     }
 
     color_config: $dark_theme # if you want a more interesting theme, you can replace the empty record with `$dark_theme`, `$light_theme` or another custom record