So I'm not sure what happened here, but I opened a Bronzium card and it appeared to award me an unlock (not just shards) for the Clone Sgt. However, it didn't award the 1/2 allocation of shards since I already have him as one of the default characters from the intro/tutorial (as we all do).
But what is weird, is that it counted as a Light Side character unlock since I got the 7/7 achievement as a result. When I check my roster, I still only have 6 Light Side characters unlocked.
Seems like something in the system isn't properly flagging the initial issue of the Clone Sgt during the intro and if/when it shows up via a card pack, it credits you with the unlock (again?).
I did not appear to receive any other reward though. No shards or other changes to my existing Clone Sgt other than the 7/7 Light Side unlock achievement. I confirmed that I actually only have 6 Light Side characters in my roster...
SWGoH Ally Code: 988-869-147 GM of [Elite Casual]
May the Force be with you.