Merge pull request #17422 from overleaf/jpa-avoid-resize-observer-loop

[web] avoid ResizeObserver loop when opening logs pane

GitOrigin-RevId: fb9c54e137785b34af01d031e182b66969711e41

services/web/frontend/js/features/pdf-preview/components/pdf-log-entry-raw-content.jsx

@@ -11,11 +11,12 @@ export default function PdfLogEntryRawContent({
   collapsedSize = 0,
 }) {
   const [expanded, setExpanded] = useState(false)
-  const [needsExpander, setNeedsExpander] = useState(false)
+  const [needsExpander, setNeedsExpander] = useState(true)
 
   const { elementRef } = useResizeObserver(
     useCallback(
       element => {
+        if (element.scrollHeight === 0) return // skip update when logs-pane is closed
         setNeedsExpander(element.scrollHeight > collapsedSize)
       },
       [collapsedSize]