message: FormItem: add removable class
  .FormItem--removable
diff: @@ -56,6 +56,7 @@ export const FormItem: FC<FormItemProps> = ({
  `FormItem--sizeY-${sizeY}`,
  {
  'FormItem--withTop': hasReactNode(top),
  + 'FormItem--removable': removable,
  },
  )}
  >
  