fix qdrant bug (#1250)

Signed-off-by: yuwenzho <yuwen.zhou@intel.com>

intel_extension_for_transformers/langchain/vectorstores/qdrant.py

@@ -287,4 +287,22 @@ def is_local(
             isinstance(self.client._client, qdrant_client.local.qdrant_local.QdrantLocal):
             return True
         else:
-            return False
+            return False
+
+
+    @classmethod
+    def _document_from_scored_point(
+        cls,
+        scored_point: Any,
+        content_payload_key: str,
+        metadata_payload_key: str,
+    ) -> Document:
+        metadata = scored_point.payload.get(metadata_payload_key) or {}
+        metadata["_id"] = scored_point.id
+        # TODO: re-check the bug
+        # Comment out the following line because of bug "'ScoredPoint' object has no attribute 'collection_name'"
+        # metadata["_collection_name"] = scored_point.collection_name
+        return Document(
+            page_content=scored_point.payload.get(content_payload_key),
+            metadata=metadata,
+        )