message: Fix loci label custom text
diff: @@ -55,12 +55,13 @@ function getLabelName(data: LabelData) {
  function buildText(data: LabelData, props: LabelProps, text?: Text): Text {
  const builder = TextBuilder.create(props, 128, 64, text);
  + const customLabel = props.customText.trim();
  for (let i = 0, il = data.infos.length; i < il; ++i) {
  const info = data.infos[i];
  const sphere = Loci.getBoundingSphere(info.loci, tmpSphere);
  if (!sphere) continue;
  const { center, radius } = sphere;
  - const text = label(info, true);
  + const text = customLabel || label(info, true);
  builder.add(text, center[0], center[1], center[2], props.scaleByRadius ? radius / 0.9 : 0, props.scaleByRadius ? Math.max(1, radius) : 1, i);
  }
  return builder.getText();
  @@ -69,7 +70,11 @@ function buildText(data: LabelData, props: LabelProps, text?: Text): Text {
  function getTextShape(ctx: RuntimeContext, data: LabelData, props: LabelProps, shape?: Shape<Text>) {
  const text = buildText(data, props, shape && shape.geometry);
  const name = getLabelName(data);
  - const getLabel = function (groupId: number) {
  + const customLabel = props.customText.trim();
  + const getLabel = customLabel
  + ? function (groupId: number) {
  + return customLabel;
  + } : function (groupId: number) {
  return label(data.infos[groupId]);
  };
  return Shape.create(name, data, text, () => props.textColor, () => props.textSize, getLabel);
  