fix: include document name in bytes_to_uploaded_file call for better file handling

Author: liuruibin

apps/application/flow/step_node/document_split_node/impl/base_document_split_node.py

@@ -50,7 +50,7 @@ def execute(self, document_list, knowledge_id, split_strategy, paragraph_title_r
         get_buffer = FileBufferHandle().get_buffer
 
         for doc in file_list:
-            file_mem = bytes_to_uploaded_file(doc['content'].encode('utf-8'))
+            file_mem = bytes_to_uploaded_file(doc['content'].encode('utf-8'), doc['name'])
             result = default_split_handle.handle(file_mem, patterns, with_filter, limit, get_buffer, self._save_image)
             # 统一处理结果为列表
             results = result if isinstance(result, list) else [result]