I do not understand the compolexity of this post.
You should already have the 6.14 kernel installed. You even set it as default.
If you reinstall... it would come with it installed.
And if for some reason, you need to install 6.14 kernel on your existing Zorin OS, you do not need chroot and all that jazz.
sudo apt install linux-image-6.14.0-36-generic linux-headers-6.14.0-36-generic linux-modules-6.14.0-36-generic linux-modules-extra-6.14.0-36-generic