Fix Portal Staff Email Typo (#321)

backend/portal/models.py

@@ -63,7 +63,7 @@ def _on_create(self):
             self._get_email_subject(),
             get_backend_manager_emails(),
             (
-                f"A new {self.__class__._meta.model_name} for {self.club_code}"
+                f"A new {self.__class__._meta.model_name} for {self.club_code} "
                 f"has been created by {self.creator}."
             ),
         )