Add detail to the message in logs (#331)

src/Speckle.Sdk/Serialisation/V2/Send/ObjectSaver.cs

@@ -126,7 +126,7 @@ public sealed class ObjectSaver(
   private void RecordException(Exception e)
   {
     //order here matters
-    logger.LogError(e, "Error in SDK");
+    logger.LogError(e, "Error in SDK: {message}", e.Message);
     Exception = e;
     _cancellationTokenSource.Cancel();
   }

src/Speckle.Sdk/Serialisation/V2/Send/SerializeProcess.cs

@@ -305,7 +305,7 @@ public sealed class SerializeProcess(
       return;
     }
     //order here matters
-    _logger.LogError(e, "Error in SDK");
+    _logger.LogError(e, "Error in SDK: {message}", e.Message);
     objectSaver.Exception = e;
     _processSource.Cancel();
   }