[FIX-4326][UI] Add description field to data source list (#4362)

dolphinscheduler-ui/src/js/conf/home/pages/datasource/pages/list/_source/list.vue

@@ -32,6 +32,11 @@
             </div>
           </template>
         </el-table-column>
+        <el-table-column :label="$t('Description')" min-width="100">
+          <template slot-scope="scope">
+            <span>{{scope.row.note | filterNull}}</span>
+          </template>
+        </el-table-column>
         <el-table-column :label="$t('Create Time')" min-width="120">
           <template slot-scope="scope">
             <span>{{scope.row.createTime | formatDate}}</span>