message: Hide result group box in case of void abi function
diff: @@ -140,14 +140,14 @@ void ContractResult::updateCallResult(QVariant result, FunctionABI function, QSt
  std::vector<std::string> values;
  std::vector<ParameterABI::ErrorType> errors;
  if(function.abiOut(rawData, values, errors))
  - {
  - if(values.size() > 0)
  {
  // Remove previous widget from scroll area
  QWidget *scrollWidget = ui->scrollAreaResult->widget();
  if(scrollWidget)
  scrollWidget->deleteLater();
  + if(values.size() > 0)
  + {
  QWidget *widgetResults = new QWidget(this);
  QVBoxLayout *vLayout = new QVBoxLayout(widgetResults);
  vLayout->setSpacing(6);
  @@ -182,6 +182,11 @@ void ContractResult::updateCallResult(QVariant result, FunctionABI function, QSt
  widgetResults->adjustSize();
  ui->scrollAreaResult->setMaximumHeight(widgetResults->sizeHint().height() + 2);
  ui->scrollAreaResult->setWidget(widgetResults);
  + ui->groupBoxResult->setVisible(true);
  + }
  + else
  + {
  + ui->groupBoxResult->setVisible(false);
  }
  }
  else
  