Fire doesn't show up on Moss Block

How To Reproduce:-

1:- Grab a flint & steel or fire charge.

2:- Place a Moss Block.

3:- Now use the flint & steel or fire charge on top of the Moss Block.

Observed Results:-

When using flint & steel or fire charge on the moss block, the fire does not show up. When using a flint & steel in survival, it takes up durability damage.

Expected Results:-

Fire should show up on Moss Block.