Magma Cubes can still jump on honey blocks

The bug

Magma Cubes, especially the larger ones, can still jump up blocks whilst standing on honey blocks.

To reproduce

1. /fill ~20 ~ ~20 ~ ~ ~ minecraft:honey_block
2. Summon magma cubes on top of the blocks.

Observed result

The magma cubes are able to jump.

Code analysis

Code analysis can be found in this comment.