Update dashboard to show only pending orders older than 10 days

Modify the dashboard logic to filter and display only 'pending' orders that were created more than 10 days ago, based on the order's `createdAt` timestamp.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 98f01874-e00c-4bbe-9d71-b0b338001848
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/98f01874-e00c-4bbe-9d71-b0b338001848/XDIQsDu

client/src/pages/Dashboard.tsx

@@ -237,7 +237,16 @@ export default function Dashboard() {
   console.log('🚚 Dashboard - Upcoming deliveries result:', upcomingDeliveries.length, upcomingDeliveries);
 
   // Calculs pour les statistiques
-  const pendingOrdersCount = Array.isArray(allOrders) ? allOrders.filter((order: any) => order.status === 'pending').length : 0;
+  const pendingOrdersCount = Array.isArray(allOrders) ? allOrders.filter((order: any) => {
+    if (order.status !== 'pending') return false;
+    
+    // Vérifier si la commande est en pending depuis plus de 10 jours
+    const orderDate = safeDate(order.createdAt);
+    if (!orderDate) return false;
+    
+    const daysDiff = Math.floor((new Date().getTime() - orderDate.getTime()) / (1000 * 60 * 60 * 24));
+    return daysDiff > 10;
+  }).length : 0;
   const averageDeliveryTime = Math.round(stats?.averageDeliveryTime || 0);
   const deliveredThisMonth = Array.isArray(allDeliveries) ? allDeliveries.filter((delivery: any) => {
     const deliveryDate = safeDate(delivery.deliveredDate || delivery.createdAt);