message: add logging for keytar/pickle key
  and remember when we had key, so that we know that we should expect one
diff: @@ -306,6 +306,11 @@ async function _restoreFromLocalStorage(opts) {
  }
  const pickleKey = await PlatformPeg.get().getPickleKey(userId, deviceId);
  + if (pickleKey) {
  + console.log("Got pickle key");
  + } else {
  + console.log("No pickle key available");
  + }
  console.log(`Restoring session for ${userId}`);
  await _doSetLoggedIn({
  @@ -364,6 +369,12 @@ export async function setLoggedIn(credentials) {
  ? await PlatformPeg.get().createPickleKey(credentials.userId, credentials.deviceId)
  : null;
  + if (pickleKey) {
  + console.log("Created pickle key");
  + } else {
  + console.log("Pickle key not created");
  + }
  +
  return _doSetLoggedIn(Object.assign({}, credentials, {pickleKey}), true);
  }
  @@ -501,6 +512,14 @@ function _persistCredentialsToLocalStorage(credentials) {
  localStorage.setItem("mx_access_token", credentials.accessToken);
  localStorage.setItem("mx_is_guest", JSON.stringify(credentials.guest));
  + if (credentials.pickleKey) {
  + localStorage.setItem("mx_has_pickle_key", true);
  + } else {
  + if (localStorage.getItem("mx_has_pickle_key")) {
  + console.error("Expected a pickle key, but none provided. Encryption may not work.");
  + }
  + }
  +
  // if we didn't get a deviceId from the login, leave mx_device_id unset,
  // rather than setting it to "undefined".
  //
  