Fix finish action

[enyst]

End-user friendly description of the problem this fixes or functionality that this introduces

• Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below

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Give a summary of what the PR does, explaining any non-trivial design decisions

Fix finish action:

• from the agent. it's a tool call without response (we just execute it)
• from the user, it doesn't have a tool call id (and we just execute it)
• fix old actions in history

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Link of any specific issues this addresses

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To run this PR locally, use the following command:

docker run -it --rm   -p 3000:3000   -v /var/run/docker.sock:/var/run/docker.sock   --add-host host.docker.internal:host-gateway   -e SANDBOX_RUNTIME_CONTAINER_IMAGE=docker.all-hands.dev/all-hands-ai/runtime:8341718-nikolaik   --name openhands-app-8341718   docker.all-hands.dev/all-hands-ai/openhands:8341718

Fix #4602
Fix #5154

[xingyaoww]

LGTM - one minor question

[xingyaoww]

else 'agent'?

[enyst]

It's the role, not the source?

[xingyaoww]

ohhhhhh you are absolutely right! my brain somehow stopped working when it passes 10 pm now ;(

[xingyaoww]

LGTM! Thanks for the fix!