How to configure it to "any reviewer" policy?

Hello everybody,

In all companies where I worked, the code review policy was "if any reviewer signed it off - you can check it in".

Collaborator requires all reviewers to sign off, then changeset is marked as completed. It works in general.. but there are some inconveniences with it. So, in dashboard I cannot see that my review signed off. I have to manually check it, and if somebody signed it off, I need to change all other reviewers' roles to "observer".

Is it possible to configure it so sign-off from any reviewer's would be considered as "enough for check-in" condition? Or, at least, indicate it in dashboard somehow, if any reviewer signed it off?

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    Artem