ChatMessage constructor
- ChatItemId id,
 - ChatId chatId,
 - User author,
 - PreciseDateTime at, {
 - SendingStatus? status,
 - List<
ChatItemQuote> repliesTo = const [], - ChatMessageText? text,
 - PreciseDateTime? editedAt,
 - List<
Attachment> attachments = const [], 
Implementation
ChatMessage(
  super.id,
  super.chatId,
  super.author,
  super.at, {
  super.status,
  this.repliesTo = const [],
  this.text,
  this.editedAt,
  this.attachments = const [],
});