Can you try this and tell if it is what you want ? (OvGME Ready, every update will brake it) https://drive.google.com/file/d/1ThSJyofcqAYBXexMqlPCGYpGF3B15YEa/view?usp=sharing
There is a solution but the texture must be in livery (texture and line in description.lua) or in cockpit mod (if you are speaking about helmet reflection in both cockpit) for others don't know.