* Add suppport for REMOTE_AUTH_BACKEND as iterable
* Closes#11977: Support for multiple auth backends
* Tweak list casting
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Co-authored-by: jeremystretch <jstretch@netboxlabs.com>
In the current documentation we have two seemingly conflicting sentences:
* REMOTE_AUTH_DEFAULT_GROUPS: (Requires REMOTE_AUTH_ENABLED.)
* REMOTE_AUTH_ENABLED: (REMOTE_AUTH_DEFAULT_GROUPS will not function if REMOTE_AUTH_ENABLED is enabled)