I started a creative world, spawned somewhat close to a village, and created a fenced area with roof. I then placed 5+ Villager spawn eggs, then a Zombie Villager to zombify them. I threw splash potions of weakness and gave Golden Apples to cure. While curing, I placed a bed and stonecutters. Strange things happened: Two villagers with Stone Mason job/skin are selling incorrect trades. One of them sells Toolsmith trades (Axe, Bells), the other sells Cartographer trades (Empty Maps). I'm unsure how to duplicate this glitch, so far I'm unable to do so, but it might be worth mentioning.
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Could not reproduce, neither on android nor win10.
Could you upload the world affected, if you still have it?

That was a disposable creative world for me to test things, unfortunately I don't have it anymore. I haven't been able to reproduce this glitch either, but I'll let you know if I encounter it again, I've been playing a lot with villagers.
That screenshot in MCPE-76993 is exactly what happened to me.

Thanks, I’m going to resolve this report as a duplicate.
This is similar to MCPE-117952, which I was able to reproduce for a short while back in April. I suspect that curing zombie villagers and having profession blocks already placed at the time of curing is relevant.
Seems to be the same issue that was reported at MCPE-76993.
Update August 1, 2021: set to “community consensus” based on example shared with me in outside discussion.