Sucks to hear mate, you did such a good paint job too!
If your claiming of the other parties insurance you can also take your car to which ever garage you like I did this and had my car repaired by a friend who fitted what parts I wanted which at the time was a de badged grill clear indicators and some extra paint work the car was fixed and the insurance company only looked at the car once and they wasnt intrested where the parts came from and if there genuine etc they just pay for the job to be done.
This. The insurance company will just get a bill. On some third party claims they won't even look at it. I have a feeling cause this will be fairly low cost on the face of things, they won't and will write out a cheque if you get a bodywork quote.
Take it into a garage of your choice.

You can have a proper modified car all undeclared be crashed into and will still get a payout, you aren't paying
their insurance company for the mods, it makes no difference to them, they hit it they fix it basically.