Function collapseSingleFolderRoots

app/src/UI/Taskbar.cpp:1492–1508

* @brief Peels a lone top-level folder into its children, repeating until the level holds more * than one item or a non-folder leaf, so the switcher never opens on a single redundant * folder. */

 *        folder.
 */
static QVariantList collapseSingleFolderRoots(QVariantList level)
{
  int guard = 0;
  while (level.size() == 1 && guard++ < 256) {
    const auto node = level.first().toMap();
    if (!node.value(QStringLiteral("isFolder")).toBool())
      break;

    const auto children = node.value(QStringLiteral("children")).toList();
    if (children.isEmpty())
      break;

    level = children;
  }

  return level;
}

/**
 * @brief Flattens the switcher tree into leaf workspaces, prefixing each label with its folder