now witch potions travel farther through flowing water than before

found out something in pre3 breaks witches potions. Now they go farther in flowing water than before. It was working as usual in the previous snapshots. Clip of potions reaching golem when it never use to even in hundreds of hours. https://clips.twitch.tv/AgreeableHeartlessCurlewDoritosChip-pyjtvM8EybqJrtZI