Water/lava bucket do not replace fire/soul fire when placed on it

The Bug

When water or lava placed in fire, it places above the fire, not replacing fire. All other blocks replace fire instead of placing above it

Steps to Reproduce

• Place down some fire and obtain either a bucket of water or lava.
• Attempt to place the water/lava bucket on the same block as the fire.
• Take note as to whether or not the water/lava bucket is placed on the same block as the fire, or is placed on blocks nearby.

Observed Behavior

Liquids placed on the same block as fire do not replace it and are instead placed nearby.

Expected Behavior

Liquids placed on the same block as fire would replace it instead of being placed nearby.