Fix variable inconsistency

[NikkiWines]

Details

Fixes a minor nomenclature inconsistency I added in #1528

Fixed Issues

Fixes N/A

Tests

N/A doesn't change any logic, just a stylistic update.

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Internal Testing Reminder: when changing bedrock, please compile auth against your new changes

[melvin-bot]

I see this code uses list. If your primary use case is just checking to see if an item exists in the list, perhaps set is a better choice, as it's much faster for random access. C++ has a variety of data structures available to choose from, so pick the best for your use case.