refactor(knowledge): 优化知识详情页面代码

- 移除 MetadataOperator 组件中的未使用导入和方法
- 在知识详情页面中为相关应用列表添加 key属性

src/views/knowledge/detail/components/metaData/MetadataOperator.vue

@@ -210,8 +210,6 @@ import {
   updateMetaDataDoc
 } from '@/api/generatedApi'
 import MeteData from '@/views/knowledge/detail/components/metaData/Index.vue'
-import { data } from 'autoprefixer'
-
 export default {
   name: 'MetadataOperator',
   components: { MeteData },
@@ -239,7 +237,6 @@ export default {
   },
   created() {},
   methods: {
-    data,
     init(id) {
       this.documentId = id
       this.getDocList()

src/views/knowledge/detail/index.vue

@@ -56,6 +56,7 @@
                 <el-dropdown-item
                   v-for="item in relatedAppList"
                   :command="item"
+                  :key="item.id"
                   disabled
                 >
                   <span>{{ item.appName }}</span>