Update src/odoo_data_flow/lib/preflight.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: bosd

src/odoo_data_flow/lib/preflight.py

@@ -127,6 +127,7 @@ def self_referencing_check(
         import_plan["strategy"] = "sort_and_one_pass_load"
         import_plan["id_column"] = "id"
         import_plan["parent_column"] = "parent_id"
+        import_plan["sorted_filename"] = result
         return True
     else:
         # result is None, meaning no hierarchy detected