What if we let the admin change the default value instead of setting "No restriction" for all entity reference fields ?
💬 | Barrio Bootstrap 5 Theme | The specified library "bootstrap_barrio/dropbutton" does not exist." at /[...]/web/core/lib/Drupal/Core/Asset/LibraryDiscoveryCollector.php
Using drush :
$ drush theme:install bootstrap_barrio