fix: DAH-3014 Fix undefined lottery preferences bug

[chadbrokaw]

Description

This PR fixes an issue where FCFS pages (or any pages where the listing had no preferences) crashed.

To test, go to any FCFS listing (e.g. /listings/a0WW4000000EOdZMAW) and make sure it loads.

Jira ticket

https://sfgovdt.jira.com/browse/DAH-3014

Checklist before requesting review

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