Clouds are visible underwater when looking through translucent blocks with the "Improved Transparency" option enabled

Clouds are not supposed to be visible through water.
But if you look though a translucent block they will be.

Reproduction Steps:
- Turn on Improved Translucency
- Go underwater
- Place a stained glass block

Observed Results:
- Clouds are visible through the stained glass block

Expected Results:
- Clouds wouldn’t be visible