Mushroom take bone meal when the is no room to grow

Put the summary of the bug you're having here

What I expected to happen was the mushroom wouldn't take my bone meal

*What actually happened was when I accidently right clicked on the mushroom I lost my bone meal.

Steps to Reproduce:
1.Place a mushroom
2.place a block 2 blocks above it (this is so the mushroom has no space to grow)
3.bone meal the mushroom but instead of the player keeping it the player will loose it.