chore: show existing when add file

src/components/overlay-scroller/index.tsx

@@ -20,8 +20,9 @@ export const OverlayScroller: React.FC<
     maxHeight?: number;
     style?: React.CSSProperties;
     children: React.ReactNode;
+    onScroll?: (e: React.UIEvent<HTMLDivElement, UIEvent>) => void;
   }
-> = ({ children, maxHeight, scrollbars, oppositeTheme, style }) => {
+> = ({ children, maxHeight, scrollbars, oppositeTheme, style, onScroll }) => {
   const scroller = React.useRef<any>(null);
   const { initialize } = useOverlayScroller({
     options: {
@@ -43,6 +44,7 @@ export const OverlayScroller: React.FC<
       className="overlay-scroller-wrapper"
       $maxHeight={maxHeight || 200}
       hidden={false}
+      onWheel={onScroll}
       style={{
         paddingInlineStart: 8,
         paddingInlineEnd: 8,