fix(dealer): 修复提现页面跳转和提示图标问题

- 将提现金额超限提示的图标从 'error' 改为 'none'
- 修复经销商首页可提现金额区域的点击跳转功能
- 移除重复的 onClick 事件绑定，统一在父容器上处理点击事件

src/dealer/index.tsx

@@ -134,11 +134,11 @@ const DealerIndex: React.FC = () => {
             <View className="grid grid-cols-3 gap-3">
               <View className="text-center p-3 rounded-lg flex flex-col" style={{
                 background: businessGradients.money.available
-              }}>
+              }}  onClick={() => navigateToPage('/dealer/withdraw/index')}>
                 <Text className="text-lg font-bold mb-1 text-white">
                   {formatMoney(dealerUser.money)}
                 </Text>
-                <Text className="text-xs" style={{ color: 'rgba(255, 255, 255, 0.9)' }} onClick={() => navigateToPage('/dealer/withdraw/index')}>可提现</Text>
+                <Text className="text-xs" style={{ color: 'rgba(255, 255, 255, 0.9)' }}>可提现</Text>
               </View>
               <View className="text-center p-3 rounded-lg flex flex-col" style={{
                 background: businessGradients.money.frozen

src/dealer/withdraw/index.tsx

@@ -311,7 +311,7 @@ const DealerWithdraw: React.FC = () => {
     if (amount > available) {
       Taro.showToast({
         title: '提现金额超过可用余额',
-        icon: 'error'
+        icon: 'none'
       })
       return
     }