The desert villager is missing 4 pixels for the sandals; they are present in the zombie villager variant.
Seemingly, the savanna and desert villagers wear the same sandals, so the pixels can be copied over from that one.
MC-251538
Desert villager missing some pixels for the sandals
Resolved
Fixed
3
Confirmed
Low
Textures and models
1.18.2, 22w18a, 1.19 Pre-release 1, 1.19, 1.19.1 Pre-release 5, 1.19.2, 1.19.3, 1.19.4
23w14a
Retrieved
Can confirm in 1.19.