rebuild UE5 on Linux

Im trying to follow this tutorial https://github.com/rdeioris/UnrealOnRPI4to get UE5 packaged games to run AArch64 RPi4. Running UE5.1.0 on Linux Ubuntu 22.04. there is a step requiring adding buttons to the platform settings in the editor project settings. When the code is added in vs code and the editor is reopened. The buttons don’t appear in the project settings. Any Ideas?