feat(diy-category): 新增鸿蒙小程序端搜索框适配

扩展H5平台条件编译到H5和MP-HARMONY，让鸿蒙小程序也显示搜索框

components-diy/diy-category.vue

@@ -26,7 +26,7 @@
 			</view>
 		</block>
 		<!-- #endif -->
-		<!-- #ifdef H5 -->
+		<!-- #ifdef H5 || MP-HARMONY -->
 		<view class="search-box" v-if="value.search" @tap.stop="onClickSearch()">
 			<view class="search-content">
 				<input type="text" class="uni-input" maxlength="50" :placeholder="$lang('components-diy.diy-search.searchBtn')" confirm-type="search"