Adding items to #minecraft:small_flowers item tag and feeding them to brown mooshrooms crashes the game

Adding any items to #minecraft:small_flowers and feeding that item to a brown mooshroom will crash the game.

Attached are the item tag and the crash report.

To reproduce, use the item tag in a datapack and feed a chorus flower to a brown mooshroom. The game will crash with Error: java.lang.ClassCastException: bwe cannot be cast to bxt