There are two methods to managing plugin settings and configurations for Expanded Singles.
expanded-singles.php file under
config with the following options available to you. You can also use multi-environment options to change these per environment.
return [ 'expandSingles' => true, 'redirectToEntry' => false, ];
expandSingles- Expands the Singles link on the Entries page to list them like Channels and Structures.
redirectToEntry- Automatically redirects to edit the Single Entry when clicking on the item in the sidebar.
You can also make change and configuration settings through the Control Panel by visiting Settings → Expanded Singles.
Available for Craft 3, unlimited use, free forever. Get it from the plugin store.