feat(accounts): Copy distant attributes

src/shared/account.py

@@ -41,7 +41,13 @@ class SharedAccountAdapter(DefaultSocialAccountAdapter):
             user = User.objects.get(username=username)
             sociallogin.connect(request, user)
         except User.DoesNotExist:
-            pass
+            return
+
+        # We now know that a user exists, copy the distant attributes
+        user.is_staff = user.is_admin
+        user.is_superuser = user.is_admin
+
+        user.save()
 
     def populate_user(self, request, sociallogin, data):
         return super().populate_user(request, sociallogin, data)