Makes it possible to interact with snowlogged blocks or with the snow layer.
Now snowloggable: Candles, Pointed Dripstone, Amethyst Clusters, Saplings, Glow Lichen, Pollen, Sea Pickles, Spore Blossoms, Giant Glory of the Snow, and probably more that I forgot about.
Known bugs:
Broken snow layers from double tall plants drop snowballs when broken without a shovel.
Snow Layers don't have occlusion, making the shadows slightly wrong, and allowing light to pass through.
Features: