Beacons deactivate when upgrading worlds

The Bug

Beacons built and activated in 1.17.1 or earlier turn off, despite still being set up perfectly, but can be reactivated by breaking and replacing some of the blocks.

Reproduce

• Make a world in 1.17.1
• Build a powered beacon
• Leave and open the same world in 21w43a

Observed Result

The Beacon was deactivated

Expected Result

The Beacon would stay activated