message: chore: Add title on MessageTimestampProps type
diff: import type { ReactNode } from 'react';
  import React from 'react';
  -type MessageTimestampProps = { children: ReactNode };
  +type MessageTimestampProps = { children: ReactNode; title?: string };
  export const MessageTimestamp = (props: MessageTimestampProps) => (
  <span className='rcx-box rcx-box--full rcx-message-header__time' {...props} />
  