Lava Cauldron emits 3 redstone signal strength instead of 1

This bug report is a parity issue. The lava cauldron emits three redstone signals instead of one, which is different from Java Edition 20w45a changes.

Step to Reproduce
1. Place lava inside the cauldron
2. Place a comparator right next to it, in the direction outwards
3. Place down some redstone dust
---> it emits 3 redstone signals.