deleteAllSessions method
Deletes ALL sessions using the Index as source of truth
Implementation
Future<void> deleteAllSessions() async {
List<String> allUserIds = await _getKnownUserIds();
for (var userId in allUserIds) {
await _storage?.delete(key: _userSessionKey(userId));
}
await _storage?.delete(key: _activeSessionUserIdKey);
await _storage?.delete(key: _knownUserIdsKey);
_memorySessions.clear();
_activeSession = null;
}