Fix regression where setup wizard forces the password to 'publish'

Fixes [#EZP-22267](http://jira.ez.no/browse/EZP-22267).
Regression introduced in [#EZP-21966](http://jira.ez.no/browse/EZP-21966).

Makes sure the userAccount object is applied to the dataMap of the updated user content object before publishing.

- [x] Test :-)