fix(contact page): add HarmonyOS mini-program support for contact section

extend the H5 conditional compile to also cover MP-HARMONY platform

pages_tool/contact/contact.vue

@@ -5,7 +5,7 @@
             <view class="list_cotact padding-top">
                 <view class="container">
                     <!-- 专属客服 + 在线留言 -->
-                    <!-- #ifdef H5 -->
+                    <!-- #ifdef H5 || MP-HARMONY-->
                     <view class="view_ul view_ul_one clearfix">
                         <view @click="tapMessage" class="view_li w50_li  text-center"
                             style="background: #1daa39;width: 100%;border-radius: 10rpx;">