Sculk sensors and sculk shriekers aren't constantly active when standing/sneaking on top of it

The sculk sensors and the sculk shriekers aren't constantly active when the player is standing or sneaking on top of those blocks.

How to Reproduce

1. Place down the sculk sensor
2. Step/sneak on it as long as possible
3. Repeat steps but on the sculk shrieker

Observed Result
The sculk sensors and the sculk shriekers are only active once, despite the player still standing/sneaking on them.

Expected Result
The sculk sensors and the sculk shriekers should stay constantly active, as long as the player is still standing/sneaking on it.