message: chore: Add metrics_b as viable metric form data parameter
diff: @@ -34,8 +34,9 @@ from superset.utils.core import GenericDataType
  METRIC_FORM_DATA_PARAMS = [
  "metric",
  - "metrics",
  "metric_2",
  + "metrics",
  + "metrics_b",
  "percent_metrics",
  "secondary_metric",
  "size",
  