[Bug]: Wrong error when sending a message for a terminal task

[lkk7]

What happened?

What the spec says about the "Send Message" operation errors:

UnsupportedOperationError: Messages sent to Tasks that are in a terminal state [...]

What the code does (on_message_send(...)->_setup_message_execution(...)):

if task.status.state in TERMINAL_TASK_STATES:
    raise InvalidParamsError(
        message=f'Task {task.id} is in terminal state: {task.status.state}'
    )

Relevant log output

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