add a confirm if place signal on team reg

tournaments/models/team_registration.py

@@ -345,7 +345,7 @@ class TeamRegistration(SideStoreModel):
     def confirm_if_placed(self):
         if self.needs_confirmation() is False:
             return
-        if self.group_stage or self.round or self.confirmation_date is not None:
+        if self.group_stage or self.bracket_position or self.confirmation_date is not None:
             for player in self.players_sorted_by_rank:
                 if player.registration_status is not RegistrationStatus.CONFIRMED:
                     player.time_to_confirm = None