chore: adjust logic

Author: zombieJ

src/List.tsx

@@ -278,7 +278,7 @@ export function RawList<T>(props: ListProps<T>, ref: React.Ref<ListRef>) {
   React.useLayoutEffect(() => {
     const changedRecord = heights.getRecord();
     if (changedRecord.size === 1) {
-      const recordKey = changedRecord.keys()[0];
+      const recordKey = Array.from(changedRecord.keys())[0];
       const prevCacheHeight = changedRecord.get(recordKey);
 
       // Quick switch data may cause `start` not in `mergedData` anymore