feat: replace current image with edited image

gradio_chat.py

@@ -144,6 +144,7 @@ async def stream_from_agent(chat_input, chatbot, past_messages, current_image):
                                     "content": gr.Image(call.content.edited_image_url),
                                     "files": [call.content.edited_image_url]
                                 })
+                                current_image = call.content.edited_image_url
                             else:
                                 gr_message['content'] += (
                                     f'\nOutput: {call.content}'