message: add reason to forced disconnect
diff: @@ -37,7 +37,7 @@ export default class XMPPConnection extends AbstractConnection implements IConne
  Roster.get().registerHook('presence', (presence) => {
  if (presence === Presence.offline) {
  - this.connection.disconnect('');
  + this.connection.disconnect('forced');
  }
  });
  }
  