I just realised this question had no answer. Since I returned with no problem, I am going to post as an answer my own experience.
Yes, returning caused no problem, my green card was still valid (albeit for just a couple more days) and I came in with no issue. A month later I finally received the replacement.
Credit:stackoverflow.com‘
5 Mar, 2024
5 Mar, 2024
4 Mar, 2024