feat: 抢购活动增加模糊检索

app/web/page/editor/component/DynamicForm/component/SnapUpActivitySelector/index.vue

 <template>
   <div class="snapUpActivityContainer">
-    <Select v-model="activityInfoId">
+    <Select v-model="activityInfoId" filterable>
         <Option v-for="item in list" :value="item.id" :key="item.id">{{ `id ${item.id} - ${item.title}` }}</Option>
     </Select>
     <!-- <Button type="primary" @click="save">保存</Button> -->