Mobs now sit too high in minecarts

Pre3 caused mobs in carts to sit in them higher than before with this change https://bugs.mojang.com/browse/MC-265296   Clip of situation that use to charge creeper with lightning but now does not: 
https://clips.twitch.tv/SuperCarefulTofuAMPTropPunch-hWIH93ZcX1d0gflS