Fix：4131 【商城小程序】打开盲盒的礼包，领取礼包页面封面显示的不是盲盒封面

pkg_user/views/gift/components/GiftCard.vue

@@ -1,7 +1,7 @@
 <template>
   <view class="dialog-conent" v-show="isLogin">
     <view class="gift-card-modal" >
-      <image class="bg-image" :src="card.cover || card.blindBoxImage" mode="aspectFit|aspectFill|widthFix" lazy-load="false"></image>
+      <image class="bg-image" :src="!card.isBlind ? card.cover : card.blindBoxImage" mode="aspectFit|aspectFill|widthFix" lazy-load="false"></image>
       <view v-if="card.isBlind !== 1" class="image-wrap" :style="{
         top: card.productImageY*2 * 1.8 + 'rpx',
         left: card.productImageX*2 * 1.8 + 'rpx'