addReaction method
Add reaction to message.
Implementation
Future<void> addReaction(String messageId, String emoji) async {
_ensureInitialized();
final reaction = Reaction(
id: const Uuid().v4(),
emoji: emoji,
userId: _userId!,
createdAt: DateTime.now(),
);
await _database.addReaction(messageId, reaction);
unawaited(
_outboundQueue.enqueue(
OutboundOperation.addReaction(messageId, emoji),
),
);
}