fix: 修正插槽匹配的正则

[wangzhenxi]

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[LeoYuan]

解决什么问题麻烦描述下

[wangzhenxi]

解决什么问题麻烦描述下

官方demo： https://lowcode-engine.cn/demo/demo-general/index.html CodeSandbox： https://codesandbox.io/s/demo-lk74h0?from-embed=&file=/src/pages/%24/index.js 现状： 目前官方demo出码后，会出现i18n的插槽无法正常渲染的情况，主要是正则没命中插槽

[LeoYuan]

有没有可能是出码的字符串要多加一个$标识？我确认一下