fix(vue3): 修复 Vue3 兼容问题

1) user/list.vue: \ 改为 Proxy 直接赋值（官方 2.5.1 仍存在该 bug，3.0.0 才修复）2) uni-menu-item/uni-sub-menu: destroyed→unmounted 3) show-info: 移除已废除的 .native 修饰符

components/show-info/show-info.vue

@@ -1,6 +1,6 @@
 <template>
 	<view style="position: relative;">
-		<uni-icons @mouseenter.native="mouseenter" @mouseleave.native="showStableInfo = false"
+		<uni-icons @mouseenter="mouseenter" @mouseleave="showStableInfo = false"
 			style="padding:0 10px;color: #a8a8a8;cursor: pointer;" type="info" />
 		<view v-if="showStableInfo" class="show-stable" :style="{top:`${top}px`,left:`${left}px`,width:`${width}px`}">
 			<text>{{content}}</text>

components/uni-menu-item/uni-menu-item.vue

@@ -49,7 +49,7 @@
 		created() {
 			this.init()
 		},
-		destroyed() {
+		unmounted() {
 			if (this.$menuParent) {
 				const menuIndex = this.$menuParent.itemChildrens.findIndex(item => item === this)
 				this.$menuParent.itemChildrens.splice(menuIndex, 1)

components/uni-sub-menu/uni-sub-menu.vue

@@ -60,7 +60,7 @@
 		created() {
 			this.init()
 		},
-		destroyed() {
+		unmounted() {
 			// 销毁页面后，将当前页面实例从数据中删除
 			if (this.$menuParent) {
 				const menuIndex = this.$menuParent.subChildrens.findIndex(item => item === this)