Reproduction steps:
1. Open the attached “il2cppLinuxTestBuild.zip“ project
2. Open the Package Manager (Window > Package Manager)
3. Make sure that the “Toolchain MacOS Linux x64” package is installed
4.Open the Build Settings (File > Build Settings)
5. Observe the “Build” button

Expected result: The “Build” button is pressable
Actual result: The “Build” button is not pressable and “Building Linux IL2CPP player requires a toolchain package to be installed” error is present

Reproducible with: 1.0.0, 2.0.4 (2021.3.17f1, 2022.2.3f1, 2023.1.0b1)
Couldn’t test with: 1.0.0, 2.0.4 (2020.3.44f1) - Editor couldn’t open due to the missing package

Reproducible on: M1 macOS 13.1
Not reproducible on: Intel macOS 13.1

Note:
- IL2CPP Linux Build Support has to be installed
- This issue is reproducible only on Apple Silicon Editors, on Intel Editors the prompt is that the Linux Player cannot be built on MacOS