Merge all changes

src/Concelier/__Libraries/StellaOps.Concelier.Connector.CertCc/CertCcConnector.cs

@@ -177,7 +177,7 @@ public sealed class CertCcConnector : IFeedConnector
                         await _documentStore.UpdateStatusAsync(result.Document.Id, DocumentStatuses.Mapped, cancellationToken).ConfigureAwait(false);
                     }
 
-                    if (!shouldProcessNotes)
+                    if (!shouldProcessNotes || result.Document is null)
                     {
                         continue;
                     }

src/Concelier/__Libraries/StellaOps.Concelier.Connector.CertCc/Internal/CertCcCursor.cs

@@ -168,7 +168,7 @@ internal sealed record CertCcCursor(
             }
 
             var bytes = binary.AsByteArray;
-            if (bytes.Length == 16)
+            if (bytes is not null && bytes.Length == 16)
             {
                 guid = new Guid(bytes);
                 return true;