feat: disable user messaging and retain公益 service guidance

miniapp/pages/fate-center/fate-center.wxml

@@ -34,7 +34,7 @@
           <view class="item" wx:for="{{mutualList}}" wx:key="conversationId">
             <ui-user-card user="{{item}}" bind:tap="onViewDetail">
               <view slot="actions">
-                <button class="btn-primary" catchtap="onStartChat" data-conversation-id="{{item.conversationId}}">开始聊天</button>
+                <button class="btn-primary" catchtap="onViewDetail" data-user-id="{{item.userId}}">查看资料</button>
               </view>
             </ui-user-card>
           </view>
@@ -45,7 +45,7 @@
         wx:else
         illustration="heart"
         title="还没有互相喜欢的人"
-        description="去「找对象」遇见合适的人，互相喜欢就能聊天啦"
+        description="去「找对象」遇见合适的人，双方匹配后可查看公益服务"
         actions="{{[{text:'去「找对象', event:'discover', variant:'primary'}]}}"
         bind:action="onEmptyAction"
       />