Alters the full array of display options before they are added to the view.
protected function alterDisplayOptions(&$display_options, $form, $form_state) {
foreach ($display_options as $display_type => $options) {
// Allow style plugins to hook in and provide some settings.
$style_plugin = Views::pluginManager('style')
->createInstance($options['style']['type']);
$style_plugin
->wizardSubmit($form, $form_state, $this, $display_options, $display_type);
}
}