Fix fn behavior for keyboards which are identified as Apple keyboard

This link shows how to do it in fedora, but in silverblue things are a bit different.

And this gist saved me hours combating with rpm-ostree

In brief , use rpm-ostree initramfs --enable --arg=-I --arg=/etc/modprobe.d/hid_apple.conf to replace dracut things.

Post it here for others who may encounter similar problems