添加Builtin Concomponent Action {} 此范围 {{}

Background: I want to add an action to the component to get the this value of the current component, which is convenient for data binding when finding the specific level. I want to get the component this value at the right time through https://lowcode-engine.cn/site/docs/api/material#%E8%AE%BE%E8%AE%A1%E5%99%A8%E8%BE%85%E5%8A%A9%E5%B1%82.