fix(harmony): 商品列表改用 :style 控制显示隐藏，修复鸿蒙下不显示问题

- 根因：.goods-list 默认 display:none，依赖 .show class 显示
- 鸿蒙 ArkUI 对 :class 动态绑定支持不完善，isList=true 时 .show 未正确添加
- 改用 :style 内联样式控制 display，优先级高于 class 且更可靠
- 同时把 v-for key 从 index 改为 item.id 提升 diff 准确性
- 移除之前无效的 renderKey 强制刷新逻辑

pages_goods/list.vue

@@ -47,8 +47,8 @@
 
 		<mescroll-uni top="180" ref="mescroll" @getData="getGoodsList">
 			<block slot="list">
-				<view class="goods-list single-column" :class="{ show: isList }">
-					<view class="goods-item margin-bottom" v-for="(item, index) in goodsList" :key="index"
+			<view class="goods-list single-column" :class="{ show: isList }" :style="{ display: isList ? 'block' : 'none' }">
+				<view class="goods-item margin-bottom" v-for="(item, index) in goodsList" :key="item.id"
 					@click="toDetail(item)">
 					<view class="goods-img">
 						<image :src="goodsImg(item.goods_image)" mode="widthFix" @error="imgError(index)" show-menu-by-longpress ></image>
@@ -97,8 +97,8 @@
 					</view>
 				</view>
 			</view>
-				<view class="goods-list double-column" :class="{ show: !isList }">
-					<view class="goods-item margin-bottom" v-for="(item, index) in goodsList" :key="index"
+			<view class="goods-list double-column" :class="{ show: !isList }" :style="{ display: !isList ? 'flex' : 'none' }">
+				<view class="goods-item margin-bottom" v-for="(item, index) in goodsList" :key="item.id"
 					@click="toDetail(item)"
 					:style="{ left: listPosition[index] ? listPosition[index].left : '', top: listPosition[index] ? listPosition[index].top : '' }">
 						<view class="goods-img">

pages_goods/public/js/list.js

@@ -259,17 +259,6 @@ export default {
 				this.goodsList = this.goodsList.concat(newArr); //追加新数据
 				if (this.$refs.loadingCover) this.$refs.loadingCover.hide();
 
-				// #ifdef MP-HARMONY
-				// 鸿蒙 ArkUI 对 v-for 数组响应式更新支持不完善，强制触发视图刷新
-				setTimeout(() => {
-					const temp = this.isList;
-					this.isList = !temp;
-					setTimeout(() => {
-						this.isList = temp;
-					}, 0);
-				}, 50);
-				// #endif
-
 				this.waterfallflow((mescroll.num - 1) * 10);
 				},
 				fail: res => {