Describe the bug

For example, when it spread to reindeer lichen or scutch grass, sometimes the fire floats.

To Reproduce
Light a fire beside some plants.

Meta Info

• TFC Version: 1.6.1

This is vanilla behavior. See vanilla tall grass doing the same thing

Vanilla tall grass has a height of 2 blocks, but these TFC grass has only 1 block of height

OK