task: replace DomainNegotiatorInterface with DomainNegotiationContext

Frank Mablyrequested to merge
issue/domain_redirect-3584256:3584256-replace-domainnegotiatorinterface-with into 2.x

RedirectRepositoryDecorator only calls getActiveDomain(). Switch to the lighter DomainNegotiationContext to reduce circular dependency risk.

Closes #3584256

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