How to reproduce:
1. Open the attached Project "PathSplash.zip"
2. Build the Project for iOS to the directory <Unity_Project>/iOS_Dir1/Dir2/Dir3
3. Observe the location of the "CustomB.png" file in the built Xcode Project
Expected result: the file is located next to the "LaunchScreen-iPhone.storyboard" file
Actual result: the file is in <Xcode_Project>/iOS_Dir1/Dir2/Dir3
Reproducible with: 2022.1.0a12, 2022.3.37f1, 6000.0.10f1
Did not reproduce on: 2021.3.40f1, 2022.1.0a5
Could not test with: 2022.1.0a5 - 2022.1.0a11 (Unity fails to build the Xcode Project)