Move matrix-to.js to utils/permalinks/RoomPermalinkCreator

Just a little bit of refactoring to make the feature of custom prefixes a bit easier.

src/components/views/rooms/ReplyPreview.js

@@ -21,7 +21,7 @@ import { _t } from '../../../languageHandler';
 import RoomViewStore from '../../../stores/RoomViewStore';
 import SettingsStore from "../../../settings/SettingsStore";
 import PropTypes from "prop-types";
-import {RoomPermalinkCreator} from "../../../matrix-to";
+import {RoomPermalinkCreator} from "../../../utils/permalinks/RoomPermalinkCreator";
 
 function cancelQuoting() {
     dis.dispatch({