user fullname prefixed by account number on login choices page (#6634)

Accounts ordered by join date in order to have coherent indexes

src/authentic2/registration_backend/views.py

@@ -71,7 +71,7 @@ class RegistrationCompletionView(FormView):
                 except User.DoesNotExist:
                     pass
 
-            user_accounts = User.objects.filter(email__iexact=kwargs['email'])
+            user_accounts = User.objects.filter(email__iexact=kwargs['email']).order_by('date_joined')
             if user_accounts:
                 logout(request)
                 context = kwargs.copy()

src/authentic2/templates/registration/login_choices.html

@@ -24,7 +24,11 @@ Please choose the account you want to log in with:
 
 <ul>
   {% for account in accounts %}
-  <li><a href="{% url "registration_activate" registration_token %}?uid={{ account.username|urlencode }}">{{ account.get_full_name }}</a>
+  <li><a href="{% url "registration_activate" registration_token %}?uid={{ account.username|urlencode }}">
+      {% blocktrans with fullname=account.get_full_name c=forloop.counter %}
+      Account nr. {{ c }} : {{ fullname }}
+      {% endblocktrans %}
+    </a>
     <div>
     {% blocktrans with creation_date=account.date_joined|date:'SHORT_DATETIME_FORMAT'%}
     created on {{ creation_date }}