message: fix traceOnly param getting ignored
diff: @@ -159,7 +159,7 @@ export function getUnitConformationAndRadius(structure: Structure, unit: Unit, p
  let indices: SortedArray<ElementIndex>;
  let id: AssignableArrayLike<number>;
  - if (ignoreHydrogens || (includeParent && rootUnit !== unit)) {
  + if (ignoreHydrogens || traceOnly || (includeParent && rootUnit !== unit)) {
  const _indices = [];
  const _id = [];
  for (let i = 0, il = elements.length; i < il; ++i) {
  