https://streamable.com/8gn9p7 By the video provided you can see they take no fire damage, won't move from water, and dont get shoved around by me. I also tried zombifying them and curing them, and moving them into the nether (which they didn't even get through the portal they just stood in the frame) and they were still stuck like this.

I am playing on a purely vanilla 1.19 server using client-sided mods, we installed this datapack to fix the 1.19 bug where villagers won't restock after being cured. Villager Job Fix [DATA PACK] - Customization - Minecraft - CurseForge