“The following asset(s) located in immutable packages were unexpectedly altered.” warning is thrown when the Entities Graphics package is added

Reproduction steps:
1. Create a new project with a “URP 2D” template
2. Open Package Manager (Window > Package Manager)
3. Install the Entities Graphics package (com.unity.entities.graphics)
4. Observe the Console window

Expected result: No warnings are thrown
Actual result: “The following asset(s) located in immutable packages were unexpectedly altered. Making changes to immutable packages isn't recommended because the changes can be lost without any warning during Package Manager operations.” warning is thrown

Reproducible with: 1.2.4, 1.3.0-pre.4 (6000.0.20f1)
Not reproducible with: 1.2.4, 1.3.0-pre.4 (2022.3.47f1)

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