Rename file_config_service to raw_config_io_service and update references

backend/tests/test_services/test_file_config_service.py

@@ -8,7 +8,7 @@ import pytest
 
 from app.models.config import ActionConfigUpdate, FilterConfigUpdate, JailFileConfigUpdate
 from app.models.file_config import ConfFileCreateRequest, ConfFileUpdateRequest
-from app.services.file_config_service import (
+from app.services.raw_config_io_service import (
     ConfigDirError,
     ConfigFileExistsError,
     ConfigFileNameError,