fix: #3615083 Missing CacheableMetadata parameter

Ben Stallingsrequested to merge
issue/feeds-3615083:3615083-missing-cacheablemetadata-parameter into 8.x-3.x

Add the optional CacheableMetadata parameter to FeedListBuilder::getDefaultOperations(), introduced in Drupal core 11.3, and propagate it to the custom import/schedule_import/clear/ unlock access checks so their cacheability is preserved instead of discarded.

Co-Authored-By: Claude Sonnet 5 noreply@anthropic.com

Closes #3615083

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