Normally you should use patch-package to generate a patch file that will automatically update the node_modules for you.
But anyway this issue will be fixed in: Address multiple users & permissions issues by alexandrebodin · Pull Request #13435 · strapi/strapi · GitHub
You can find my patch file for this PR here (based on v4.1.12): Address multiple users & permissions issues by alexandrebodin · Pull Request #13435 · strapi/strapi · GitHub from where I was testing the fix. It will auto populate the role field now if the user has access to find roles