fix: Sending error when extracting multiple forms and documents in the workflow (#2434)

Author: shaohuzhang1

apps/application/flow/step_node/document_extract_node/impl/base_document_extract_node.py

@@ -40,7 +40,6 @@ def bytes_to_uploaded_file(file_bytes, file_name="file.txt"):
 class BaseDocumentExtractNode(IDocumentExtractNode):
     def save_context(self, details, workflow_manage):
         self.context['content'] = details.get('content')
-        self.answer_text = details.get('content')
 
 
     def execute(self, document, chat_id, **kwargs):