update pdf top header

resources/views/pages/pdfs/credit_note.blade.php

@@ -3,7 +3,11 @@
 <br>
 <htmlpageheader name="page-header">
     <br><br>
-    <div class="separator"><strong><i>{{ $transaction->bill_no }}</i></strong></div>
+    @php
+    $credit_title = \Carbon\Carbon::parse($transaction->created_at)->greaterThanOrEqualTo('2024-04-02') ? 'Refund' : 'Credit';
+    $bill_no = $credit_title === 'Refund' ? str_replace('CREDIT', 'REFUND', $transaction->bill_no) : $transaction->bill_no;
+    @endphp
+    <div class="separator"><strong><i>{{ $bill_no }}</i></strong></div>
 </htmlpageheader>
 <table>
     <tr>
@@ -24,9 +28,6 @@
         </td>
         <td class="header-details">
             <div class="title">
-                @php
-                $credit_title = \Carbon\Carbon::parse($transaction->created_at)->greaterThanOrEqualTo('2024-04-02') ? 'Refund' : 'Credit'
-                @endphp
                 <strong>
                     {{ $transaction->type == 9 ? $credit_title : 'Debit' }} Note
                 </strong>