fix issue where matches were displayed for the teams when no match should be shown

tournaments/models/team_registration.py

@@ -181,6 +181,9 @@ class TeamRegistration(SideStoreModel):
         return matches
 
     def get_upcoming_matches(self):
+        if self.tournament and self.tournament.display_matches() is False:
+            return []
+
         matches = self.get_matches()
         upcoming = matches.filter(end_date__isnull=True).order_by('start_date')
         print(f"Upcoming matches count: {upcoming.count()}")