conversationTitle function
会话列表和聊天窗口的标题(view 为会话的视图):单聊为对方的显示名(已删除为“已删除的用户”),群聊为群名(为空时“群聊”)。
Implementation
String conversationTitle(DRClient client, DRObject view, {DRLocale locale = zhCN}) => conversationTitleFrom(_ClientSource(client), view, locale: locale);