views: set request.token at registration (#46248)

src/authentic2/views.py

@@ -914,6 +914,9 @@ class RegistrationCompletionView(CreateView):
         self.token_obj = token
         self.token = token.content
 
+        # allow access to token content from external authentication backends
+        request.token = self.token
+
         self.authentication_method = self.token.get('authentication_method', 'email')
         self.email = self.token['email']
         if 'ou' in self.token: