Hotfix/stop login i18n overwriting app i18n

This fixes a problem introduced with https://github.com/fedora-infra/python-fedora/commit/5fc7c552170e55011a6bb0a5f23fe580463e1e64  (Making translations of templates in python-fedora show up in web apps).

Broken page can be seen at:

https://admin.fedoraproject.org/accounts/  if you simply set the locale (in the sidebar) to es.  Some of the text on the page is not translated into Spanish.

Page with this fix applied is at: https://admin.fedoraproject.org/accounts/ Setting the locale to es should result in a page that has many more Spanish translations.