Unity判断prefab是否存在嵌套prefab

// 摘要:
// Is the GameObject the root of any Prefab instance?
//
// 参数:
// gameObject:
// The GameObject to check.
//
// 返回结果:
// True if the GameObject is the root GameObject of any Prefab instance.
public static bool IsAnyPrefabInstanceRoot(GameObject gameObject);