* feat(core-flows,types): Refunds can only be performed when order is imbalanced * Apply suggestions from code review Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com> * chore: fix tests --------- Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>