fix walkout check when registering online

tournaments/services/tournament_registration.py

@@ -307,5 +307,6 @@ class TournamentRegistrationService:
     def _license_already_registered(self, stripped_license):
         return PlayerRegistration.objects.filter(
             team_registration__tournament=self.tournament,
-            licence_id__startswith=stripped_license
+            licence_id__startswith=stripped_license,
+            team_registration__walk_out=False
         ).exists()