Fix team showing its weight whereas it has walked out

tournaments/models/group_stage.py

@@ -49,7 +49,7 @@ class GroupStage(models.Model):
                 scores1 = ts1.scores()
                 scores2 = ts2.scores()
 
-                if len(scores1) == len(scores2) and len(scores1) > 0:
+                if match.winning_team_id:
 
                     for team_score in match.team_scores.all():
                         team_registration = team_score.team_registration