Reproduction steps:
1. Download and open the attached "InputTest.zip" project
2. Build the project for tvOS
3. Open the Xcode project
4. In the "Signing & Capabilities" tab, enable "Micro Gamepad", "Extended Gamepad", and "Directional Gamepad"
5. In the "Info" tab, set "GCSupportsMultipleMicroGamepads" to true.
6. Build and run the application on an Apple TV with the second-generation Siri Remote connected

Expected result: Pressing different direction buttons on the second-generation Apple TV Siri Remote, different Button numbers should say "pressed".
Actual result: When pressing different direction buttons on the second-generation Apple TV Siri Remote, the same Button number is saying "pressed" for all directions.

Reproducible with: 2021.2.7f1 (User-provided info)