feat: [daily-report] 엑셀 내보내기에 어음/외상매출채권 현황 섹션 추가

- DailyReportExport: 어음 현황 테이블 + 합계 + 스타일링 추가
- DailyReportService: exportData에 noteReceivables 데이터 포함

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Services/DailyReportService.php

@@ -242,6 +242,9 @@ public function exportData(array $params): array
             ];
         }
 
+        // 어음 및 외상매출채권 현황
+        $noteReceivables = $this->noteReceivables($params);
+
         return [
             'date' => $dateStr,
             'previous_balance' => $previousBalance,
@@ -249,6 +252,7 @@ public function exportData(array $params): array
             'daily_withdrawal' => $dailyWithdrawalTotal,
             'current_balance' => $currentBalance,
             'details' => $details,
+            'note_receivables' => $noteReceivables,
         ];
     }