fix(login/out): use different settings for login/out redirect url if using the mozilla oidc app

[samoehlert]

The mozilla oidc package has a couple of limitations:
resolve_url
logout redirect url defaults to none

We had this, but took it out on accident when condensing settings.

We actually only had the login_url and logout_url set depending on AUTH_METHOD we actually also needed to set these variables as well.

Closes #152

[github-actions]

File	Coverage
All files	84%	✅
config/consumers.py	78%	✅
config/urls.py	69%	✅
config/settings/base.py	69%	✅
config/settings/local.py	73%	✅
scram/route_manager/admin.py	85%	✅
scram/route_manager/models.py	70%	✅
scram/route_manager/views.py	88%	✅
scram/route_manager/api/serializers.py	73%	✅
scram/route_manager/api/views.py	83%	✅
scram/templates/403.html	91%	✅
scram/templates/404.html	91%	✅
scram/templates/base.html	99%	✅

Minimum allowed coverage is 50%

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