Fix directAccessibleServers returning duplicates (#1862)

app/Models/User.php

@@ -287,7 +287,8 @@ class User extends Model implements AuthenticatableContract, AuthorizableContrac
             ->leftJoin('subusers', 'subusers.server_id', '=', 'servers.id')
             ->where(function (Builder $builder) {
                 $builder->where('servers.owner_id', $this->id)->orWhere('subusers.user_id', $this->id);
-            });
+            })
+            ->distinct('servers.id');
     }
 
     public function accessibleNodes(): Builder