message: Fix filter input on mobile
diff: @@ -22,6 +22,7 @@ import SearchFilter from '../search/SearchFilter';
  import { Subscriptions } from '../rx-utils';
  import { installPrompt$ } from '../../app-install';
  import ExternalLink from '../dim-ui/ExternalLink';
  +import SearchFilterInput from '../search/SearchFilterInput';
  const destiny1Links = [
  {
  @@ -88,7 +89,7 @@ export default class Header extends React.PureComponent<{}, State> {
  // tslint:disable-next-line:ban-types
  private unregisterTransitionHooks: Function[] = [];
  private dropdownToggler = React.createRef<HTMLElement>();
  - private searchFilter = React.createRef<any>();
  + private searchFilter = React.createRef<SearchFilterInput>();
  constructor(props) {
  super(props);
  @@ -246,7 +247,7 @@ export default class Header extends React.PureComponent<{}, State> {
  componentDidUpdate(_prevProps, prevState: State) {
  if (!prevState.showSearch && this.state.showSearch && this.searchFilter.current) {
  - this.searchFilter.current.getWrappedInstance().focusFilterInput();
  + this.searchFilter.current.focusFilterInput();
  }
  }
  