message: use reexported canUseDom
diff: import React, { FC, useRef, useState } from 'react';
  -import { canUseDOM } from '@vkontakte/vkjs/lib/dom';
  +import { canUseDOM } from '../../lib/dom';
  import { HasChildren } from 'types';
  import classNames from '../../lib/classNames';
  import { AppRootContext } from './AppRootContext';
  