Trial Chambers loot is random in the same seed

All loot in trial chambers (except for chest loot) is random.

Step to Reproduce:

1. Go to any trial chambers with a chosen seed, and try opening any barrels, vaults, ominous vaults, or breaking decorated pots.

2. Reload the same seed, and try interacting with the same barrels/vaults/decorated pots.

Expected Result:
Loot would be the same every time you open barrels, vaults, ominous vaults, or breaking decorated pots.

Observed Result:
Loot is different every time you load up the same seed.