/// <summary>
/// Called at shutdown to avoid leaking references.
/// </summary>
internal static void Cleanup()
{
CACHED_BUILDER.Clear();
Instance?.Dispose();
Instance = null;
}
/// <summary>
/// Initializes and resets the last selected item.
/// </summary>
internal static void Init()
{
Cleanup();
Instance = new AdditionalDetailsPanelWrapper();
}