private static Dimension getMinimumSize(@NotNull JComboBox<?> comboBox) {
    Dimension result = JBUI.CurrentTheme.ComboBox.minimumSize();
    return isBorderless(comboBox) ? new Dimension(result.width, result.height - JBUIScale.scale(4)) : result;
  }
private static Dimension getMinimumSize(@NotNull JComboBox<?> comboBox)