feat: update order timestamps when status is set to completed

app/Services/Admin/Manage/TransactionService.php

@@ -427,6 +427,17 @@ public function updateStatus(Order $order, string $status): Order
 
         $order->update(['status' => $status]);
 
+        if ($status === OrderStatus::COMPLETED->value) {
+            $now = now();
+            DB::table('orders')
+                ->where('id', $order->id)
+                ->update([
+                    'created_at' => $now,
+                    'updated_at' => $now,
+                ]);
+            $order->refresh();
+        }
+
         if (in_array($status, [OrderStatus::CANCELLED->value, OrderStatus::REFUNDED->value]) && ! in_array($oldStatus, [OrderStatus::CANCELLED->value, OrderStatus::REFUNDED->value])) {
             $order->load('orderItems');
             $stockType = $order->orderItems->first()?->stock_quality?->value ?? ProductStockQuality::GOOD->value;