fix(rn,conference) fix mobile build

Looks like Metro is confused by these imports.

react/features/conference/components/native/Conference.js

@@ -31,7 +31,7 @@ import { navigate }
 import { shouldEnableAutoKnock } from '../../../mobile/navigation/functions';
 import { screen } from '../../../mobile/navigation/routes';
 import { setPictureInPictureEnabled } from '../../../mobile/picture-in-picture';
-import { Captions } from '../../../subtitles';
+import { Captions } from '../../../subtitles/components';
 import { setToolboxVisible } from '../../../toolbox/actions';
 import { Toolbox } from '../../../toolbox/components/native';
 import { isToolboxVisible } from '../../../toolbox/functions';