message: Add `expression_class` to error message
diff: @@ -165,7 +165,8 @@ unique_ptr<ParsedExpression> ParsedExpression::Deserialize(Deserializer &source)
  result = WindowExpression::Deserialize(type, reader);
  break;
  default:
  - throw SerializationException("Unsupported type for expression deserialization!");
  + throw SerializationException("Unsupported type for expression deserialization: '%s'!",
  + ExpressionClassToString(expression_class));
  }
  result->alias = alias;
  reader.Finalize();
  