tweak

frontend/src/detail/PreviewZoomOverlay.jsx

@@ -99,6 +99,7 @@ const PreviewZoomOverlay = ({
     }
   }, [open]);
 
+
   useEffect(() => {
     if (!open || !isNativeScale) {
       return;
@@ -148,6 +149,19 @@ const PreviewZoomOverlay = ({
 
   const activeDisplay = open && display?.url ? display : displaySnapshot;
 
+  useEffect(() => {
+    if (!activeDisplay?.url) {
+      return;
+    }
+
+    const scrollEl = scrollRef.current;
+    if (scrollEl) {
+      scrollEl.scrollLeft = 0;
+      scrollEl.scrollTop = 0;
+    }
+    focusRef.current = null;
+  }, [activeDisplay?.url]);
+
   useEffect(() => {
     if (!renderBackdrop || !activeDisplay?.url) {
       return undefined;