fix: 修复业务组件配置中使用了new echarts后在设计中使用出现了echarts is not defined的问题

data-room-ui/packages/BigScreenDesign/ComponentDialog/index.vue

@@ -345,6 +345,7 @@
   </el-dialog>
 </template>
 <script>
+import * as echarts from 'echarts'
 import { displayOption } from 'data-room-ui/js/config'
 import { pageMixins } from 'data-room-ui/js/mixins/page'
 // import _ from 'lodash'