Fix the Plugson web display issue of VTOY_DEFAULT_MENU_MODE.

Plugson/src/Web/ventoy_http.c

@@ -487,6 +487,7 @@ void ventoy_data_default_control(data_control *data)
 
     data->default_menu_mode = 1;
     data->filter_dot_underscore = 1;
+    data->treeview_style = 1;
     data->max_search_level = -1;
     data->menu_timeout = 0;