fix: resolve white screen by removing stack-unfriendly spread operators and adding diagnostic logs

components/DataGrid.tsx

@@ -554,7 +554,7 @@ const DataGrid: React.FC<DataGridProps> = ({ data, filters, hasCustomerFilter, a
         // 2. Sort
         if (sortConfig.key) {
             // Create a copy to avoid mutating the original array and ensure React detects the change
-            result = [...result].sort((a, b) => {
+            result = result.slice().sort((a, b) => {
                 let valA: number | string = '';
                 let valB: number | string = '';
 
@@ -611,7 +611,7 @@ const DataGrid: React.FC<DataGridProps> = ({ data, filters, hasCustomerFilter, a
         } else if (showOnlyTop50 && top50Ranking) {
             // Default sort by Rank when Top 50 is active
             const rankMap = top50Mode === 'eu' ? top50Ranking.eu : top50Ranking.uk;
-            result = [...result].sort((a, b) => {
+            result = result.slice().sort((a, b) => {
                 const rankA = a.asin ? rankMap.get(a.asin.toUpperCase()) || 999 : 999;
                 const rankB = b.asin ? rankMap.get(b.asin.toUpperCase()) || 999 : 999;
                 return rankA - rankB;