定期情報一覧が０件の時にエラーにならないように修正

app/Http/Controllers/Web/SeasonTicketContract/SeasonTicketContractsController.php

@@ -34,6 +34,8 @@ class SeasonTicketContractsController extends WebController
 
         $list = SeasonTicketContractRepository::get($user->kintone_customer_code);
 
+        $result = [];
+
         foreach ($list as $ele) {
             $result[] = $ele->toArray();
         }