feat:毕业典礼活动可申请

src/modules/offices/src/graduation/list.vue

 <template>
   <div>
-    <!-- <el-button type="primary" @click="handleAdd">申请活动</el-button> -->
+    <el-button type="primary" @click="handleAdd">申请活动</el-button>
     <div style="height: 20px"></div>
     <el-table border :data="list" style="width: 100%">
       <el-table-column type="expand">