✨ [Feature]: Drawer组件可以新增打开时的回调函数open

[AcWrong02]

What problem does this feature solve

虽然我们可以通过watch组件的visible属性来判断是打开还是关闭状态从而触发相应的回调函数，但新增open回调函数可以降低用户的心智负担

What does the proposed API look like

<template>
  <div>
    <tiny-button @click="fn" type="primary"> 打开事件示例 </tiny-button>
    <tiny-drawer title="标题" :show-footer="true" :visible="visible" @update:visible="visible = $event" @open="open">
      <div style="height: 200px; text-align: center">
        <br />
        <br />
        <span>内容区域</span>
      </div>
    </tiny-drawer>
  </div>
</template>

<script setup>
import { ref } from 'vue'
import { Drawer as TinyDrawer, Button as TinyButton, Modal } from '@opentiny/vue'

const visible = ref(false)

function fn() {
  visible.value = true
}

function open() {
  Modal.message('打开事件')
}
</script>

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

---

Title: ✨ [Feature]: The Drawer component can add a callback function open when it is opened.

[zzcr]

已新增打开时的事件回调open：https://opentiny.design/tiny-vue/zh-CN/os-theme/components/drawer#events