message: New session toast should check cross-signing verification
  To ensure all your sessions are cross-signing verified, we use the more specific
  test for only that kind of verification in the new session toast.
diff: @@ -75,7 +75,7 @@ export default class DeviceListener {
  if (device.deviceId == cli.deviceId) continue;
  const deviceTrust = await cli.checkDeviceTrust(cli.getUserId(), device.deviceId);
  - if (deviceTrust.isVerified() || this._dismissed.has(device.deviceId)) {
  + if (deviceTrust.isCrossSigningVerified() || this._dismissed.has(device.deviceId)) {
  ToastStore.sharedInstance().dismissToast(toastKey(device));
  } else {
  ToastStore.sharedInstance().addOrReplaceToast({
  