Powder Snow Bucket sound cannot be adjusted with the audio slider

Summary
When you place down or grabbing the powder snow with a bucket, while your sound is off or below 100, the audio volume doesn't change. This is caused by the incorrect category name in the json files. It should be Blocks category, as of Java 1.17.

Step to Reproduce
1. Place down and grab the powder snow with a bucket
2. Adjust the audio volume slider below 100 or go to 0.
3. Repeat step 1

Heard Results
The Powder Snow Bucket sound (grabbing/placing) aren't affected by the audio sliders except "Sounds", even if it put to 0.

Expected Results
It should be adjusted by audio settings sliders.