fix: get always owner to avoid N+1 on ticket repository

Author: smarcet

app/Repositories/Summit/DoctrineSummitAttendeeTicketRepository.php

@@ -89,7 +89,7 @@ private function ensureJoin(QueryBuilder $qb, string $alias): void
      */
     private function requiredAliases(?Filter $filter, ?Order $order): array
     {
-        $need = [];
+        $need = ['a' => true]; // owner always
 
         $has = fn(string $f) => $filter?->hasFilter($f) ?? false;
         $ord = fn(string $f) => $order?->hasOrder($f) ?? false;
@@ -425,6 +425,11 @@ protected function applyExtraJoins(QueryBuilder $query, ?Filter $filter = null,
             $this->ensureJoin($query, $alias);
         }
 
+        // owner is always selected to prevent N+1
+        if (\in_array('a', $query->getAllAliases(), true)) {
+            $query->addSelect('a'); // to-one fetch join is safe with pagination
+        }
+
         return $query;
     }