[bugfix] deepflow topo panel, node's background can't display when after 'No Data'

**Phenomenon and reproduction steps**

none

**Root cause and solution**

none

**Impactions**

none

**Test method**

none

**Affected branch(es)**

- main

**Checklist**

- [ ] Dependencies update required
- [ ] Common bug (similar problem in other repo)

Author: twou12031

deepflow-topo-panel/src/SimplePanel.tsx

@@ -83,7 +83,7 @@ export const SimplePanel: React.FC<Props> = ({ options, data, width, height }) =
     if (series[targetIndex]?.fields === undefined || !series[targetIndex]?.fields?.length) {
       setNoData(true)
       if (chartContainer) {
-        chartContainer.selectAll('*').remove()
+        chartContainer.select('g').remove()
       }
       return {
         fields: []