Issue #3589273: Replace deprecated DomainAccessManager and DomainNegotiator calls; require domain ^3.1

Frank Mablyrequested to merge
issue/domain_shorturl-3589273:3589273-domain-3.1-api into 1.x

Issue: https://www.drupal.org/project/domain_shorturl/issues/3589273

Replaces the deprecated DomainAccessManager::getAccessValues() call in DomainShortUrlFormHooks with DomainAccessFields::getAccessValues(), and updates the test to use DomainNegotiationContext::setDomain() instead of the deprecated DomainNegotiator::setActiveDomain(). Bumps composer.json and info.yml to require domain (>=3.1).

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