Method addIcon

web/pgadmin/static/js/tree/tree.js:194–199

(item, icon)

  }

  async addIcon(item, icon) {
    if (item?.getMetadata('data') !== undefined) {
      item.getMetadata('data').icon = icon.icon;
    }
    await this.tree.addIcon(item, icon);
  }

  removeIcon() {
    // TBD