[AOE] Reservations Usage workbook is not using the most recent reservation display name

[helderpinto]

🐛 Problem

The Reservations Usage workbook has a Reservation filter that is preloaded with the list of all the active reservations. If a reservation changed its display name in the lookback period, the filter loads multiple entries for the same reservation, with the most recent display name but also older versions.

👣 Repro steps

1. Change the display name of a reservation
2. Let a few days elapse
3. Open the Reservations Usage workbook
4. Open the Reservation filter drop down
5. See the same reservation appearing with different display names

🤔 Expected

The reservation should present only its latest display name

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