Only take the first 32 characters of the organization for shortname since otherwise it might be too big

Author: nickygerritsen

webapp/src/Service/ExternalContestSourceService.php

@@ -1103,7 +1103,7 @@ protected function validateAndUpdateTeam(Event $event, EventData $data): void
                 // Affiliation does not exist. Create one with a dummy name so we can continue.
                 $affiliation = new TeamAffiliation();
                 $affiliation->setName($data->organizationId);
-                $affiliation->setShortname($data->organizationId);
+                $affiliation->setShortname(substr($data->organizationId, 0, 32));
                 $this->em->persist($affiliation);
             }
             $team->setAffiliation($affiliation);