Fix：4980 【商城小程序】待使用体验券订单详情页，体验项目名称数据获取错误，应获取体验项目-主题名称，当前显示的是体验店店铺名称

pkg_product/views/experienceCouponOrderDetail.vue

@@ -19,7 +19,7 @@
         <image :src="webUrl + '/orderIcon/arrow.png'" class="arrow-icon" />
       </view>
       <view class="project-name v12-font-34">
-        {{ orderInfo.merchantName || '' }}
+        {{ orderInfo.experienceItemInfo.themeName || '' }}
       </view>
       <view class="qrcode-wrap" v-if="orderInfo.code">
         <image :src="orderInfo.code" class="qrcode-image" mode="aspectFit" />
@@ -38,7 +38,7 @@
       <view class="merchant-card-top">
         <image :src="orderInfo.merchantAvatar || webUrl + '/experienceCoupon/store-placeholder.png'" class="merchant-avatar" mode="aspectFill" />
         <view class="merchant-info">
-          <view class="merchant-name-large">{{ orderInfo.merchantName}}</view>
+          <view class="merchant-name-large">{{ orderInfo.merchantName }}</view>
           <view class="merchant-location-wrap one-t v12-mb-2">
             <image :src="webUrl + '/orderIcon/map.png'" class="location-icon" />
             <text class="distance-text" v-if="distanceText">距该地{{ distanceText }}km</text>