♻️ refactor(pay-success): update navigation methods and paths

- replace navigateTo with switchTab for tab bar navigation
- update order page path from '/pages/orders/orders' to '/pages/orders/index'
- modify navigation logic to properly switch between tab bar pages

mini/src/pages/pay-success/index.tsx

@@ -1,5 +1,5 @@
 import { View, Text } from '@tarojs/components'
-import Taro, { useLoad, useRouter, navigateTo } from '@tarojs/taro'
+import Taro, { useLoad, useRouter, switchTab } from '@tarojs/taro'
 import { Button } from '@/components/ui/button'
 import { Card, CardContent } from '@/components/ui/card'
 import { Navbar, NavbarPresets } from '@/components/ui/navbar'
@@ -18,14 +18,14 @@ export default function PaySuccessPage() {
 
   // 查看订单
   const handleViewOrder = () => {
-    navigateTo({
-      url: '/pages/orders/orders'
+    switchTab({
+      url: '/pages/orders/index'
     })
   }
 
   // 返回首页
   const handleBackToHome = () => {
-    navigateTo({
+    switchTab({
       url: '/pages/home/index'
     })
   }