feat: modal&drawer support appendToMain and zIndex (#5092)

* feat: modal/drawer support append to main content

* feat: modal zIndex support

* fix: drawer prop define

* chore: type

* fix: modal/drawer position fixed while append to body

* docs: typo

* chore: add full-width drawer in content area

* chore: remove unnecessary class

playground/src/views/examples/modal/in-content-demo.vue

@@ -0,0 +1,25 @@
+<script lang="ts" setup>
+import { useVbenModal } from '@vben/common-ui';
+
+import { message } from 'ant-design-vue';
+
+const [Modal, modalApi] = useVbenModal({
+  onCancel() {
+    modalApi.close();
+  },
+  onConfirm() {
+    message.info('onConfirm');
+    // modalApi.close();
+  },
+});
+</script>
+<template>
+  <Modal
+    append-to-main
+    class="w-[600px]"
+    title="基础弹窗示例"
+    title-tooltip="标题提示内容"
+  >
+    此弹窗指定在内容区域打开
+  </Modal>
+</template>