fix recursive download of pdf resource

Author: Deepthi-Chand

app/[locale]/(user)/components/PdfPreview.tsx

@@ -10,14 +10,16 @@ export default function PdfPreview({ url }: PdfPreviewProps) {
   const [previewUrl, setPreviewUrl] = useState<string | null>(null);
 
   useEffect(() => {
+    let objectUrl: string | null = null;
+
     const fetchPdf = async () => {
       try {
         const response = await fetch(url);
         const blobData = await response.blob();
 
         // Manually set MIME type to PDF (in case it's sent as octet-stream)
         const pdfBlob = new Blob([blobData], { type: 'application/pdf' });
-        const objectUrl = URL.createObjectURL(pdfBlob);
+        objectUrl = URL.createObjectURL(pdfBlob);
         setPreviewUrl(objectUrl);
       } catch (error) {
         console.error('Failed to load PDF:', error);
@@ -27,11 +29,11 @@ export default function PdfPreview({ url }: PdfPreviewProps) {
     fetchPdf();
 
     return () => {
-      if (previewUrl) {
-        URL.revokeObjectURL(previewUrl);
+      if (objectUrl) {
+        URL.revokeObjectURL(objectUrl);
       }
     };
-  }, [previewUrl, url]);
+  }, [url]);
 
   if (!previewUrl) return <p>Loading PDF preview...</p>;