added file upload section after every file upload success

app.py

@@ -368,6 +368,9 @@ def create_app() -> gr.Blocks:
                 fn=_upload_action,
                 inputs=[file_input],
                 outputs=[upload_status] + INDEX_OUTPUTS,
+            ).then(
+                fn=lambda: gr.update(value=None),
+                outputs=[file_input],
             )
 
             active_doc_dropdown.change(