[Experimental] Shrieker does not emit sound once a Warden is present

Summary:
The Shrieker stops emitting screams when a Warden is already called by it

Steps to Reproduce:
1. Place a Sculk Shrieker
2. Trigger and wait for the Warden to spawn
3. Attempt to trigger the Shrieker

Expected Result:
The shrieker, like the Java snapshots, emits screaming noises
Observed Result:
Shrieker is no longer triggered by any means