From your picture the painted part of the fender isn't damage its the liner and textured area. If that is the case you might be able to find a liner from someone that removed liners for aftermarket.
New RubiGrid™ Jeep Wrangler JL/JLU & Gladiator JT Platform Dash Mount
https://www.bulletpointmountingsolutions.com/collections/jeep-wrangler-jl-and-jlu-2018/products/rubigrid-jeep-wrangler-jl-jlu-gladiator-jt-platform-dash-mount
Never used. Comes with everything as new. This is the universal...