fix(1c): retain descriptor role in template inventory

plugins/1c/connector/adapter_1c_server.py

@@ -4105,9 +4105,10 @@ def template_descriptor_type_code_from_part(part: dict[str, Any]) -> str | None:
     The code is useful evidence, but its numeric-to-TemplateType mapping is
     intentionally not guessed from the payload carrier or a template name.
     """
-    if str(part.get("role") or "") != "metadata_payload":
-        return None
     classification = part.get("classification") if isinstance(part.get("classification"), dict) else {}
+    role = str(part.get("role") or classification.get("role") or "")
+    if role != "metadata_payload":
+        return None
     tree = classification.get("tree")
     if not isinstance(tree, dict):
         return None
@@ -42511,6 +42512,8 @@ def metadata_object_templates(payload: dict[str, Any]) -> dict[str, Any]:
         for part in parts_result.get("parts") or []:
             classification = part.get("classification") or {}
             public_part = payload_public_properties(classification)
+            if classification.get("role"):
+                public_part["role"] = classification.get("role")
             descriptor_type_code = template_descriptor_type_code_from_part(part)
             if descriptor_type_code is not None:
                 public_part["descriptor_type_code"] = descriptor_type_code