Fix tournament detail view for anonymous users

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

participation/views.py

@@ -622,7 +622,7 @@ class TournamentDetailView(MultiTableMixin, DetailView):
         context["available_notes_2"] = all(pool.results_available for pool in self.object.pools.filter(round=2).all())
 
         if not self.object.final and notes and context["available_notes_2"] \
-                and self.request.user.registration.is_volunteer:
+                and not self.request.user.is_anonymous and self.request.user.registration.is_volunteer:
             context["team_selectable_for_final"] = next(participation for participation, _note in sorted_notes
                                                         if not participation.final)
 
@@ -856,7 +856,7 @@ class SelectTeamFinalView(VolunteerMixin, DetailView):
             final_sol: Solution
             with open(regional_sol.file.path, 'rb') as f:
                 final_sol.file.save(regional_sol.file.name, f)
-        for registration in self.participation.team.participants:
+        for registration in self.participation.team.participants.all():
             registration.send_email_final_selection()
         return redirect(reverse_lazy("participation:tournament_detail", args=(tournament.pk,)))