InvalidCastException errors are thrown when inspecting a MeshRenderer.Material Reference Curve in the Curve Editor

How to reproduce:
1. Open the user's attached project
2. Open scene Scenes/SampleScene
3. In the Hierarchy, select "Cube"
4. Go to the Animation window (Window -> Animation -> Animation)
5. Select the property "MeshRenderer.Material Reference[0]" under the New Animation clip
6. Select the Curves tab next to Dopesheet
7. Observe the Console

Expected result: no exceptions are thrown
Actual result: "InvalidCastException: Specified cast is not valid" errors are thrown, along with ArgumentException

Reproducible with: 2022.2.0a6, 2022.2.0b3, 2023.1.0a4
Not reproducible with: 2019.4.40f1, 2020.3.37f1, 2021.3.7f1, 2022.1.11f1, 2022.2.0a5