✨ feat(passengers): 优化添加乘车人页面导航栏样式

- 引入NavbarPresets组件以支持导航栏预设样式
- 应用默认导航栏预设样式到添加乘车人页面

mini/src/pages/passengers/add-passenger.tsx

@@ -2,7 +2,7 @@ import { useState, useEffect } from 'react'
 import { View, Text, ScrollView, Picker } from '@tarojs/components'
 import Taro from '@tarojs/taro'
 import { useMutation, useQueryClient } from '@tanstack/react-query'
-import { Navbar } from '@/components/ui/navbar'
+import { Navbar, NavbarPresets } from '@/components/ui/navbar'
 import { Button } from '@/components/ui/button'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Input } from '@/components/ui/input'
@@ -141,6 +141,7 @@ const AddPassengerPage: React.FC = () => {
         title="添加乘车人"
         leftIcon="i-heroicons-arrow-left-20-solid"
         onClickLeft={() => Taro.navigateBack()}
+        { ...NavbarPresets.default }
       />
 
       <ScrollView className="flex-1 px-4 py-4 box-border">