Additive Blending does not consider the difference between animation properties when using Additive Reference Pose

How to reproduce:
1. Open the “additiveBlending“ project
2. Open the “AdditivePropertyTest“ Scene
3. Open Window → Animation → Animator
4. Enter Play Mode
5. Select the “WithReferencePose“ GameObject
6. On the Animator window select Parameters
7. Observe “TestValue“

Expected result: “TextValue“ changes between 1 and 2
Actual result: “TestValue“ changes between 2 and 3

Reproducible with: 2021.3.36f1, 2022.3.21f1, 2023.2.14f1, 2023.3.0b10

Reproducible on: Windows 10
Not reproducible on: No other environment tested