Expose backend.CurrentUser method for 3.12
Created by: mrnugget
A fix in 3.12.2 needs to use this method, but it was only exposed on master in a too-large-to-cherry-pick commit.
Created by: mrnugget
A fix in 3.12.2 needs to use this method, but it was only exposed on master in a too-large-to-cherry-pick commit.