Reproduction steps:
1. Open the attached “BugRepro” project
2. In the Project window, select “Assets/Prefabs/Prefab1” Prefab and observe its “Pod Name” enumerator's value in the Inspector window
3. In the Project window, select “Assets/Prefabs/Prefab2” Prefab and observe its “Pod Name” enumerator's value in the Inspector window
4. in the Project window, select both “Assets/Prefabs/Prefab1” and “Assets/Prefabs/Prefab2” Prefabs
5. Repeat steps 2 and 3

Expected result: The observed values in step 5 are the same as in step 3
Actual result: “Prefab1” Prefab “Pod Name” enumerator’s value is changed to the same as in “Prefab2” Prefab

Reproducible with: 2022.3.18f1, 2023.2.7f1, 2023.3.0b4
Not reproducible with: 2022.3.24f1, 2023.2.18f1, 6000.0.0b14
Couldn't test with: 2021.3.37f1 (Prefabs have missing scripts)
Fixed in: 2022.3.19f1, 2023.2.8f1, 2023.3.0b5

Reproducible on: Windows 11
Not reproducible on: No other environment tested