Mono calls wrong methods when using default interface methods

Reproduction steps:

1. Open the “My Project” attached project
2. Open the “SampleScene” scene
3. Enter the Play Mode
4. Press the button in the middle of the Game view
5. Observe the text under the button

Expected result: Text says “ITestInterface.Foo“
Actual result: Text says “TestClass“

Reproducible with: 2021.3.16f1, 2022.2.2f1, 2023.1.0a25
Could not test with: 2020.3.44f1 (Default interface methods are not supported)

Reproduced on: Windows 10

Note: Not reproducible with IL2CPP. Reproducible with Mono in the Player.