disable overscan top to avoid conflit with sticky header

Author: genwolff

src/libs/react-tree-view/useRednerIndexesWithSticky.tsx

@@ -26,8 +26,9 @@ export const useRednerIndexesWithSticky = ({
 }) => {
 
     let startIndexRaw = start / lineHeight;
-    let startIndex = Math.floor(Math.max(0, start - overscan) / lineHeight);
-    let endIndex = Math.min(childCount, Math.ceil( Math.min(lineHeight * childCount, end + overscan) / lineHeight));
+    let startIndex = Math.floor(start / lineHeight);
+    // let startIndex = Math.floor(Math.max(0, start - overscan) / lineHeight);
+    let endIndex = Math.min(childCount, Math.ceil(Math.min(lineHeight * childCount, end + overscan) / lineHeight));
     let renderSize = Math.min(Math.max(0, endIndex - startIndex), 500);
 
     const computeStickyInfo = useCallback(