Override handler for views_ui_edit_display_form
@TODO: Not currently used. Remove unless we implement an override toggle.
function views_ui_edit_display_form_override($form, &$form_state) {
$form_state['view']
->get('executable')->displayHandlers[$form_state['display_id']]
->optionsOverride($form['options'], $form_state);
views_ui_cache_set($form_state['view']);
$form_state['rerender'] = TRUE;
$form_state['rebuild'] = TRUE;
}