Add where filter in weaviate similarity search with score (#9978)

- Description: Add where filter in weaviate similarity search with score
  - Issue: #9853 
  - Dependencies: -
  - Tag maintainer: -
  - Twitter handle: -

libs/langchain/langchain/vectorstores/weaviate.py

@@ -343,6 +343,8 @@ class Weaviate(VectorStore):
         if kwargs.get("search_distance"):
             content["certainty"] = kwargs.get("search_distance")
         query_obj = self._client.query.get(self._index_name, self._query_attrs)
+        if kwargs.get("where_filter"):
+            query_obj = query_obj.with_where(kwargs.get("where_filter"))
 
         embedded_query = self._embedding.embed_query(query)
         if not self._by_text: