Summoning a warden using naturally generated sculk shriekers, and then loading/unloading a resource pack causes the warden's digging sound to be discontinued.

How to Reproduce

Summon a warden by activating four naturally generated sculk shriekers. Notice how it digs out from under the ground when spawning. While the digging animation is still playing, pause the game and load or unload a resource pack. Notice how the animation still continues, but the sound does not.