[Serializer] add a constructor arguement to return csv always as collection #25218

dunglas merged 1 commit intosymfony:mastersymfony/symfony:masterfrom

Simperfit:bugfix/add-a-test-for-context-key-to-disable-data-inconsistencySimperfit/symfony:bugfix/add-a-test-for-context-key-to-disable-data-inconsistencyCopy head branch name to clipboard