refactor(platform-orders): extract hasLedgerEvidence helper

resources/views/admin/platform_orders/index.blade.php

@@ -1582,10 +1582,7 @@
                     @php
                         // 对账明细导出：减少“先点详情页再导出”的额外跳转。
                         // 仅当存在支付/退款回执证据时展示（避免列表噪音）。
-                        $hasLedgerEvidenceRow = (data_get($order->meta, 'payment_summary.total_amount') !== null)
-                            || (data_get($order->meta, 'payment_receipts.0.amount') !== null)
-                            || (data_get($order->meta, 'refund_summary.total_amount') !== null)
-                            || (data_get($order->meta, 'refund_receipts.0.amount') !== null);
+                        $hasLedgerEvidenceRow = (bool) ($order->hasLedgerEvidence());
 
                         $exportLedgerUrlRow = '/admin/platform-orders/' . $order->id . '/export-ledger?' . \Illuminate\Support\Arr::query([
                             'download' => 1,