Decorated pots crafted with Uncommon pottery sherds are considered Common

The 1.21.30.21 Preview changelog states:

• Any item or block which can be crafted must inherit the highest rarity of its crafting ingredients

Yet when decorated pots are crafted with Uncommon pottery sherds, they are still considered Common.

Steps to reproduce:

1. Take any 4 pottery sherds

2. Craft a decorated pot with them

Observed result:
The crafted decorated pot has a rarity of Common.

Expected result:
The crafted decorated pot has a rarity of Uncommon.