Scrape marks on the inner face of the outer ring are normal, since the chain rubs there during the shifting process. Chain marks anywhere else on the rings may happen because of the chain dropping, or other handling related events.
It wasn't because of the wrong chain, nor does it matter either way. Enjoy the bike, make it work well, and don't obsess over it too much.
BTW- anticipation a possible future post. Chain marks on the top of the chainstay are par for the course on derailleur bikes, either from chain dropping, or chain slap on bumps. You can keep protect the stay with a "chainstay protector" or accept some cosmetic damage as normal.
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