Reproduction steps:
1. Open the attached "1412917-ReflectionProbeBakeBug" project
2. Enable the Reflection Probe centered in the red room
3. Press the “Generate Lighting” button in the Lighting window
4. Enable the Reflection Probe centered in the green room
5. Press the “Bake” button in the Inspector window
6. Save the Scene and restart the Editor

Expected result: Unity inserts the new Cubemap at the front of the array when baking an individual Probe
Actual result: On reload, the metal floor on the left is incorrectly sampling the green Probe and the metal floor on the right is incorrectly sampling the sky Probe

Reproducible with: 2020.3.42f1, 2021.3.14f1, 2022.1.23f1, 2022.2.0b16, 2023.1.0a21

Reproduced on: Windows 10 Pro

Notes:
1. To see why the issue occurs use the Debug-Internal Inspector to view the LightingData.asset file
2. Also reproduced in Player