The "Light as a Rabbit" advancement is granted even when the player sinks in powder snow

Summery:

There are changes in the snapshot 25w05a which players sink to powdered snow when they fall more than 2.5 blocks, but the advancement still gets triggered, altough it shouldn't.

Steps To Reproduce:

1. Open Minecraft and Generate a world, give yourself leather boots and wear them.
2. Go to a place more than 2.5 blocks and jump into powdered snow.
3. Observe the result.

Observed Results:

The advancement "Light As Rabbit" gets triggered.

Expected Results:

The advancement "Light As Rabbit" shouldn't get triggered as the description tells us to walk OVER powdered snow with leather boots, not sink in it!