auth_fc: set the created user in the registration mail template context (#72358)

src/authentic2_auth_fc/views.py

@@ -498,6 +498,7 @@ class LoginOrLinkView(View):
                     user,
                     template_names=['authentic2_auth_fc/registration_success'],
                     context={
+                        'user': user,
                         'login_url': request.build_absolute_uri(settings.LOGIN_URL),
                     },
                     request=self.request,

tests/auth_fc/test_auth_fc.py

@@ -126,7 +126,7 @@ def test_create(settings, app, franceconnect, hooks, service, mailoutbox):
     assert len(mailoutbox) == 1
     assert mailoutbox[0].subject == 'Account creation using FranceConnect'
     for body in (mailoutbox[0].body, mailoutbox[0].alternatives[0][0]):
-        assert 'Hi AnonymousUser,' in body
+        assert 'Hi john.doe@example.com,' in body
         assert 'You have just created an account using FranceConnect.' in body
         assert 'https://testserver/login/' in body