I dont think so.... I havent seen anyone post about receiving that as a replacement in quite a long time, anyway. My car is a 2018 with the "orange when wet" roof and back glass, and while I would be a bit miffed to lose it, what would really set me off is if it no longer matched. What I mean is, either the roof and rear glass should both be reflective, or both be NOT reflective orange. I would not want one piece of one and one piece of the other.
I like symmetry and that would irritate the ##@!$@$# out of me if that was the case. If your rear piece was orange when wet, and they cant get that as a replacement (which I highly suspect), perhaps consider if this would bother you and if so, ask them to replace the roof glass too.
Thats what I would likely do, anyway. No idea if they WILL, but its what I would ask for, for them to match.
Many thanks for your reply! I agree; I really don't want non-matching roof glass.
I'm particularly upset as it was the service centre that broke the glass. Even if they match it with normal glass then the car is both subjectively and objectively worse than when it went in!