loadSingleKey method
Loads a single key for the specified room from the online key backup and stores it.
Implementation
Future<void> loadSingleKey(String roomId, String sessionId) async {
final info = await getRoomKeysBackupInfo();
final ret = await client.getRoomKeyBySessionId(
roomId,
sessionId,
info.version,
);
final keys = RoomKeys.fromJson({
'rooms': {
roomId: {
'sessions': {sessionId: ret.toJson()},
},
},
});
await loadFromResponse(keys);
}