Water in a water logged block's bottom surface is not rendered when on a transparent block

When a block that doesn’t have a whole bottom suface(like trapdoors,upper slabs,leaves or upper stairs) is logged with water,and a transpatrent block(not water logged) is below it,the bottom surface of the water is not rendered,making it difficult to tell if there’s water.

(sorry for poor english qwq)

Steps to Reproduce:

• Place a transparent block(like glass,trapdoor,iron bars…) above the ground.

• Place a water loggable block(like leaves,trapdoor…) on it and fill it with water.(block the water at four sides to look more clearly)

Expected Result:

The water has a bottom surface so that you could know there is water.

Actual Result:

The bottom surface of the water is not rendered,and you can't tell if there’s water if you’re only able to observe it from below.