1. 修复贴图缺失(Fix the missing texture)

1. 消除模型最初动画加载时的闪现显示(Eliminate the flash of dummy animation at the model loading phase)
2. 优化摸头动作(Optimize Head Pat animation)
3. 追加开始动画遮罩和部分音效(Adding Cover and SFXs to Start Animation)
4. 优化默认位置和缩放(Optimize default Position and Zoom)
5. 修复待机动作会覆盖对话动作的部分动画的问题(Fix the issue that some parts of Idle animation override Talk Animations)