Allow defective duplicate fields (#44866)

...nd/test/metabase_enterprise/serialization/v2/e2e_test.clj

resources/migrations/001_update_migrations.yaml

src/metabase/cmd/copy.clj

src/metabase/models/database.clj

src/metabase/models/field.clj

src/metabase/models/table.clj

test/metabase/cmd/load_from_h2_test.clj

test/metabase/db/schema_migrations_test.clj

test/metabase/db/schema_migrations_test/impl.clj

test/metabase/native_query_analyzer_test.clj