Fix off-by-one in predict_variant_effect ref-allele check#32

lucapinello merged 1 commit intochorus-applicationspinellolab/chorus:chorus-applicationsfrom

fix/2026-04-21-ref-allele-off-by-onepinellolab/chorus:fix/2026-04-21-ref-allele-off-by-oneCopy head branch name to clipboard