当 omi-vueify 包中的 chatbot 组件中的 slot 发生变化时,不会触发 webc 父组件的更新

In Vue, when the slot changes, the webc parent component is not updated, so the actionbar does not appear. Therefore, it is necessary to wait until the webc component is updated the next time (as mentioned in the issue, a message is sent) before it is rendered. https://GitHub.com/Tencent/tdesign-vue-next/issues/6304