Old thread - but this is one of the first things I noticed in the 2013 I just bought. Guess this was left without a solution.
With it being an area no one will really ever see, it feels like maybe I could wetsand the coating off with very fine auto sandpaper in all 4 doors and leave it at that. Unsure if this is something I could really warranty on a CPO.
As the above poster mentioned, I have seen similar issues in BMWs as well - not limited to Tesla.