Homestyx hydra

R1:8915fd8be8a6

Don't try to generate a CSRF token for the omnipotent user

Summary:
We can end up here with a stack trace like this, while rendering an embedded Slowvote trying to publish a Feed story:

```
Daemon 43450 STDE [Mon, 08 Jun 2015 22:49:57 +0000] [2015-06-08 22:49:57] EXCEPTION: (PhutilProxyException) Error while executing Task ID 830591. {>} (PhabricatorDataNotAttachedException) Attempting to access attached data on PhabricatorUser (via getAlternateCSRFString()), but the data is not actually attached. Before…
Repository: R1 hydra
Commit Date: Jun 8 2015