message: mol-plugin: scroll first highlighted/selected element into view
diff: @@ -153,6 +153,8 @@ export class Sequence<P extends SequenceProps> extends PluginUIComponent<P> {
  const { markerArray } = this.props.sequenceWrapper;
  const hasNumbers = !this.props.hideSequenceNumbers, period = this.sequenceNumberPeriod;
  + let first: HTMLSpanElement | undefined;
  +
  let o = 0;
  for (let i = 0, il = markerArray.length; i < il; i++) {
  if (hasNumbers && i % period === 0 && i < il) o++;
  @@ -160,9 +162,17 @@ export class Sequence<P extends SequenceProps> extends PluginUIComponent<P> {
  if (!span) return;
  o++;
  + if (!first && markerArray[i] > 0) {
  + first = span;
  + }
  +
  const backgroundColor = this.getBackgroundColor(markerArray[i]);
  if (span.style.backgroundColor !== backgroundColor) span.style.backgroundColor = backgroundColor;
  }
  +
  + if (first) {
  + first.scrollIntoView({ block: 'nearest' });
  + }
  }
  mouseMove = (e: React.MouseEvent) => {
  