If you want to try this EFI I fixed some things, from ioreg I see there is to fix the TB3 if this EFI starts ioreg and then I fix the TB3.
EFI OS ventura
https://drive.google.com/drive/folders/1QjGKs9MDcRksvwlk-9QF-wu74D-C7-Df?usp=sharing
Here in this repository is the example for patch TB3 , it works hotplug and sleep\wake. Obviously SSDT-TB3 must be adapted to the TB3 in use.
https://github.com/Baio1977/Lenovo-ThinkPad-X1-Tablet-Gen3-Kabylake-r