test: use canonical transfer imports

tests/test_transfer_sync_extra_files.py

@@ -4,7 +4,8 @@ from types import SimpleNamespace
 from app.chain.transfer import JobManager, TransferChain
 from app.domain.meta.metabase import MetaBase
 from app.runtime.config import settings
-from app.schemas import EpisodeFormat, FileItem
+from app.schemas.file import FileItem
+from app.schemas.transfer import EpisodeFormat
 from app.schemas.types import MediaType