Top of water disappears with slime or honey block above

When a slime or honey block is above water, the top of the water becomes invisible.

How to reproduce

Step 1. Place some water down with buttons around it.

Step 2. Place either a honey or slime block above the water.

Expected result

The water is not affected

Actual Result

The top of the water turns invisible, revealing the block underneath.

See attached screenshot for another possible setup.