If you put the classic texture, the villagers and zombie villagers will have the wrong texture

What I expected to happen was...:
When the standard texture was changed by the classic texture, the villagers and zombie villagers were left with the default texture or the old texture

What actually happened was...:
Villagers from all biomes and all professions are left with a green hood and zombie villagers from all biomes and all professions are left unarmed and with something like an areola on their heads

Steps to Reproduce:
1. Spawn a villager and a zombie villager
2. Change the default texture for the classic texture