Sprite Atlas Override for iOS setting remains disabled when saving its change to enabled

Reproduction steps:
1. Open the attached “IN-89845_iOSOverrideIssue.zip“ project
2. In the Project window, select the “New Sprite Atlas“ Asset
3. In the Inspector window, select the iOS environment settings
4. Enable the Override for iOS setting
5. Press the “Pack Preview” button

Expected result: The Override for iOS setting is still enabled and the change is saved
Actual result: The Override for iOS setting is disabled

Reproducible with: 6000.0.24f1, 6000.0.30f1, 6000.1.0a7
Not reproducible with: 2021.3.46f1, 2022.3.53f1, 6000.0.23f1

Reproducible on: macOS Sequoia 15.1.1
Not reproducible on: No other environments tested