All copper bulbs in "eruption" trial chambers are unoxidized

All copper bulbs in the trial chamber "eruption" are in their base state. none of them are exposed, weathered or oxidized.

Seeds and coordinates:
1.21.2: -9202887599315359214, 2439 -10 -1472
1.21.30.21: -2275744594652264290, 100 -15 120

Steps to reproduce:

1. Generate world with a seed from the list above
2. Go to the specified coordinates
3. Look at the copper bulbs

Observed result:
All copper bulbs in the room are unoxidized.

Expected result:
The oxidation levels of the bulbs are random, just like in other rooms.

(also happens in java edition)