fix(图表): 修复透视表列维度为空时带格式导出失败

core/core-frontend/src/views/chart/components/js/panel/common/common_table.ts

@@ -1878,6 +1878,9 @@ function extractNumber(formattedValue: string, formatterCfg: BaseFormatter): {
   value: number
   numFmt: string
 } | string {
+  if (!formatterCfg) {
+    return formattedValue
+  }
   let result = formattedValue
   if (formatterCfg.type === 'percent') {
     result = result.slice(0, -1) // 去掉百分号