fix(funnel): 修复漏斗图图例操作后显示错误 (#3874)

Co-authored-by: 黄涛 <ht01604267@antgroup.com>

Author: taoeer

src/plots/funnel/geometries/common.ts

@@ -25,11 +25,12 @@ export function transformData(
   // format 数据
   formatData = map(data, (row, index) => {
     const percent = (row[yField] || 0) / maxYFieldValue;
-    row[FUNNEL_PERCENT] = percent;
-    row[FUNNEL_MAPPING_VALUE] = (max - min) * percent + min;
-    // 转化率数据存储前后数据
-    row[FUNNEL_CONVERSATION] = [get(data, [index - 1, yField]), row[yField]];
-    return row;
+    return {
+      ...row,
+      [FUNNEL_PERCENT]: percent,
+      [FUNNEL_MAPPING_VALUE]: (max - min) * percent + min,
+      [FUNNEL_CONVERSATION]: [get(data, [index - 1, yField]), row[yField]],
+    };
   });
 
   return formatData;