[Bug]: ConversableAgent.generate_code_execution_reply should scan all messages not just most recent

[axecopfire]

Describe the bug

ConversableAgent.generate_code_execution_reply only scans last messages and breaks instead of continues

Steps to reproduce

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Model Used

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Expected Behavior

The break statements here should be continue statements

autogen/autogen/agentchat/conversable_agent.py

Lines 1511 to 1514 in 03bfb8f

	if "role" not in message:
	break
	elif message["role"] != "user":
	break

Screenshots and logs

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Additional Information

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