Fix sparse vector name in query (#232)

* Fix sparce vector name

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---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: tellet-q

engine/clients/qdrant/search.py

@@ -41,17 +41,14 @@ def search_one(cls, query: Query, top: int) -> List[Tuple[int, float]]:
             query_vector = query.vector
         else:
             query_vector = construct(
-                rest.NamedSparseVector,
-                name="sparse",
-                vector=construct(
-                    rest.SparseVector,
-                    indices=query.sparse_vector.indices,
-                    values=query.sparse_vector.values,
-                ),
+                rest.SparseVector,
+                indices=query.sparse_vector.indices,
+                values=query.sparse_vector.values,
             )
 
         try:
             res = cls.client.query_points(
+                using="sparse" if query.sparse_vector else None,
                 collection_name=QDRANT_COLLECTION_NAME,
                 query=query_vector,
                 query_filter=cls.parser.parse(query.meta_conditions),