message: Fix the `from` command which brake during the EmbeddedViewer work and clean up
diff: @@ -458,7 +458,7 @@ export class EtTerminal extends ThemeableElementBase implements Commandable, Acc
  for (const elementStat of this._childElementList) {
  const element = elementStat.element;
  - if (EmbeddedViewer.is(element) && element.getAttribute('tag') === frameId) {
  + if (EmbeddedViewer.is(element) && element.getTag() === frameId) {
  return element;
  }
  }
  