refactor: simplify report creation by removing DoCreateReport and inlining logic

EnvelopeGenerator.Application/Pdf/Behaviors/AddReportBehavior.cs

@@ -60,13 +60,6 @@ public class AddReportBehavior : IPipelineBehavior<BurnPdfCommand, byte[]>
             throw new CreateReportException("No report data found!");
         }
 
-        var oBuffer = DoCreateReport(oItems);
-
-        return oBuffer;
-    }
-
-    private static byte[] DoCreateReport(IEnumerable<EnvelopeReport> oItems)
-    {
         var oSource = new ReportSource { Items = oItems };
         var oReport = new rptEnvelopeHistory
         {