ContextAwareLibraryDiscoveryCollector.php

<?php

namespace Drupal\foo;

use Drupal\Core\Asset\LibraryDiscoveryCollector;
use Drupal\Core\Session\AccountInterface;
use Drupal\domain\DomainNegotiatorInterface;

/**
 * LibraryDiscoveryCollector with domain and permissions context.
 *
 * Fixes https://www.drupal.org/project/gin_toolbar/issues/3293209 and bugs with
 * dialog css in frontend theme.
 */
class ContextAwareLibraryDiscoveryCollector extends LibraryDiscoveryCollector {

  protected DomainNegotiatorInterface $domainNegotiator;

  protected AccountInterface $currentUser;

  public function setDomainNegotiator(DomainNegotiatorInterface $domainNegotiator) {
    $this->domainNegotiator = $domainNegotiator;
  }

  public function setCurrentUser(AccountInterface $currentUser) {
    $this->currentUser = $currentUser;
  }

  protected function getCid() {
    if (!isset($this->cid)) {
      $cid = [
        'library_info',
        $this->domainNegotiator->getActiveId(),
        // Fix for https://www.drupal.org/project/gin_toolbar/issues/3293209
        (int) $this->currentUser->hasPermission('access toolbar'),
        $this->themeManager->getActiveTheme()->getName()
      ];
      $this->cid = implode(':', $cid);
    }
    return $this->cid;
  }


}

FooAdminServiceProvider.php

<?php

namespace Drupal\foo;

use Drupal\Core\DependencyInjection\ContainerBuilder;
use Drupal\Core\DependencyInjection\ServiceProviderBase;
use Symfony\Component\DependencyInjection\Reference;

/**
 * Defines a service provider for the Demeter Admin module.
 */
class FooServiceProvider extends ServiceProviderBase {

  /**
   * {@inheritdoc}
   */
  public function alter(ContainerBuilder $container) {
    $container->removeDefinition('domain_config.library.discovery.collector');

    $definition = $container->getDefinition('library.discovery.collector');
    $definition->setClass(ContextAwareLibraryDiscoveryCollector::class);
    $definition->addMethodCall('setDomainNegotiator', [new Reference('domain.negotiator')]);
    $definition->addMethodCall('setCurrentUser', [new Reference('current_user')]);
  }

}