Make rivet-merge work for analyses with sqrt(s)-dependent binnings
Make rivet-merge work for analyses with sqrt(s)-dependent binnings, by allowing the first preloaded-AO hookup to overwrite the registered AO if there's a binning mismatch.
Make rivet-merge work for analyses with sqrt(s)-dependent binnings, by allowing the first preloaded-AO hookup to overwrite the registered AO if there's a binning mismatch.