refactor PageTransition and PullDownRefresh

src/pages/user/UserList.vue

@@ -3,7 +3,7 @@
 		v-can="permissionCodes.user.read"
 		class="user-list"
 	>
-		<t-pull-down-refresh
+		<app-pull-down-refresh
 			v-model="isRefreshing"
 			:refresh-timeout="30000"
 			@refresh="refresh"
@@ -44,7 +44,7 @@
 			</t-cell-group>
 			<div v-if="!pageResult.list.length" class="center-tips" v-text="isLoading ? '正在加载用户' : '暂无用户'" />
 			<div v-if="pageResult.list.length" class="center-tips" v-text="isNoMore ? '已经到底了' : '上拉加载更多'" />
-		</t-pull-down-refresh>
+		</app-pull-down-refresh>
 	</div>
 	<nav-bar-action-menu
 		v-if="canCreateUser"