message: apply renamed (token -> from) option
diff: @@ -42,7 +42,7 @@ export default class MessageEditHistoryDialog extends React.Component {
  // bail out on backwards as we only paginate in one direction
  return false;
  }
  - const opts = {token: this.state.nextBatch};
  + const opts = {from: this.state.nextBatch};
  const roomId = this.props.mxEvent.getRoomId();
  const eventId = this.props.mxEvent.getId();
  const result = await MatrixClientPeg.get().relations(
  