Synchronize order and delivery statuses and dates in the calendar view

Fixes an issue where orders linked to delivered deliveries were not displaying the correct delivery date or status in the calendar. This includes updating the OrderDetailModal to show the correct dates, automatically updating order statuses when deliveries are marked as delivered, and providing a SQL script to correct existing data inconsistencies.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: a8a78c07-e900-425c-a577-5b4c5894379d
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/1957c339-2757-4d1f-8e92-e9f71a1ce58e/a8a78c07-e900-425c-a577-5b4c5894379d/0tRkXvo

client/src/components/modals/OrderDetailModal.tsx

@@ -292,7 +292,12 @@ export default function OrderDetailModal({
                       <div>
                         <p className="font-medium text-gray-900">#LIV-{delivery.id}</p>
                         <p className="text-sm text-gray-600">
-                          {safeFormat(delivery.plannedDate, 'dd MMMM yyyy')}
+                          {delivery.status === 'delivered' && delivery.deliveredDate
+                            ? `Livré le ${safeFormat(delivery.deliveredDate, 'dd MMMM yyyy')}`
+                            : delivery.scheduledDate
+                            ? `Prévu le ${safeFormat(delivery.scheduledDate, 'dd MMMM yyyy')}`
+                            : 'Date non disponible'
+                          }
                         </p>
                       </div>
                     </div>