fix(KIP-19428): 山姆优惠展示内容修复

src/pages/parkingFeeDetailSuccess.vue

@@ -64,7 +64,7 @@
           </div>
           <div class="parking-info-item" v-if="parkDiscountDesc !== 'hide' && isFZ()">
             <span class="info-key">山姆优惠</span>
-            <span class="info-value ">{{ detail.discountInfo && detail.discountInfo.parkDiscount | currency }}</span>
+            <span class="info-value ">{{ detail.discountInfo && $currency(detail.discountInfo.parkDiscount) }}</span>
           </div>
           <div class="parking-info-item">
             <span class="info-key">会员等级减免</span>