message: fix CuastomSelect search input error connected with throttling side-effect
diff: @@ -5,7 +5,7 @@ import getScrollbarWidth from 'react-custom-scrollbars/lib/utils/getScrollbarWid
  import SelectedIcon from '@vkontakte/icons/dist/16/done';
  import { SelectProps } from '../Select/Select';
  import SelectMimicry from '../SelectMimicry/SelectMimicry';
  -import { debounce, throttle } from '../../lib/utils';
  +import { debounce } from '../../lib/utils';
  import classNames from '../../lib/classNames';
  type SelectValue = string | number | boolean;
  @@ -317,8 +317,7 @@ export default class CustomSelect extends React.Component<Props, State> {
  }
  };
  - handleKeyDown = throttle(this.handleKeyDownSelect, 100);
  - handleKeyUp = debounce(this.resetKeyboardInput, 2000);
  + handleKeyUp = debounce(this.resetKeyboardInput, 1000);
  componentDidMount() {
  document.addEventListener('click', this.handleDocumentClick, false);
  @@ -383,7 +382,7 @@ export default class CustomSelect extends React.Component<Props, State> {
  tabIndex={tabIndex}
  aria-hidden={true}
  onClick={this.onClick}
  - onKeyDown={this.handleKeyDown}
  + onKeyDown={this.handleKeyDownSelect}
  onKeyUp={this.handleKeyUp}
  onFocus={this.onFocus}
  onBlur={this.onBlur}
  