message: add await for _clearStorage
diff: @@ -313,7 +313,7 @@ async function _restoreFromLocalStorage(opts) {
  }
  }
  -function _handleLoadSessionFailure(e) {
  +async function _handleLoadSessionFailure(e) {
  console.error("Unable to load session", e);
  const SessionRestoreErrorDialog =
  @@ -323,16 +323,15 @@ function _handleLoadSessionFailure(e) {
  error: e.message,
  });
  - return modal.finished.then(([success]) => {
  + const [success] = await modal.finished;
  if (success) {
  // user clicked continue.
  - _clearStorage();
  + await _clearStorage();
  return false;
  }
  // try, try again
  return loadSession();
  - });
  }
  /**
  