Bundles are able to be put inside of Shulker Boxes (both undyed and dyed)

How to reproduce:

1. Go into 1.21.30.23 preview
2. Obtain a bundle and a Shulker Box from the creative inventory
3. Try to put a bundle in the Shulker Box

Expected Result: The Bundle dosen't go into the Shulker Box

Actual Result: The Bundle goes into the Shulker Box