feat: add wrapperProps & contentProps

• 增加 react-freeze 进行性能优化

• feat: no need to render <AliveScope> any more while using React 16.x
• feat: After the drop() method is executed, the cache event will be kept for a certain period of time to respond to the behavior of uninstall in the activated state
• fix: the problem of multiple didmounts caused by multiple updates in autoFixContext mode

feat: 增加 autoFixContext 方法，静默修复上下文断层问题（算是解决老大难问题了 😄 ）

• fix: KeepAlive 多个子节点时报 undefined 渲染的问题
• fix: KeepAlive 传递其他自定义属性时 ts 告警的问题

• 去除内置 core-js 垫片

fix: 代码顺序错误导致报错的问题

• feat: saveScrollPosition 支持保存自定义节点滚动位置，见 #81