message: Guard against null quota
diff: @@ -319,7 +319,9 @@ export class GoogleDriveStorage implements StorageAdapter {
  const result = await gapi.client.drive.about.get({ fields: 'user,storageQuota' });
  try {
  const quotaUsed = await this.getQuotaUsed();
  + if (quotaUsed) {
  result.result.storageQuota.dimQuotaUsed = parseInt(quotaUsed.quotaBytesUsed, 10);
  + }
  } catch (e) {
  console.error(`Couldn't get quota: ${gdriveErrorMessage(e)}`);
  }
  