Snowflakes go through the semi-block

1. Load any world
2. Go to the zone with snow
3. Build a building with a semi-block roof
4. Wait till it snows or enable it in the game settings
5. Stay under the roof
   Actual result: Snowflakes are go through the roof of semi-blocks
   https://youtu.be/5VTQ187AiFI
   Expected result: Snowflakes do not go through the roof of semi-blocks