message: Tappable: fix default tabIndex assignment
diff: @@ -428,7 +428,7 @@ class Tappable extends Component<TappableProps, TappableState> {
  <RootComponent
  {...touchProps}
  type={Component === 'button' ? 'button' : undefined}
  - tabIndex={isCustomElement ? 0 : undefined}
  + tabIndex={isCustomElement && !restProps.disabled ? 0 : undefined}
  role={isCustomElement ? role : undefined}
  {...restProps}
  vkuiClass={classes}
  