[Bugfix]: Fix issue of context overspilling into other apps (#835)

embedchain/chunkers/base_chunker.py

@@ -44,6 +44,7 @@ class BaseChunker(JSONSerializable):
 
             for chunk in chunks:
                 chunk_id = hashlib.sha256((chunk + url).encode()).hexdigest()
+                chunk_id = f"{app_id}--{chunk_id}" if app_id is not None else chunk_id
                 if idMap.get(chunk_id) is None:
                     idMap[chunk_id] = True
                     chunk_ids.append(chunk_id)