Soul Fire melts ice and snow

Summary:
Soul fire melts ice/snow when they shouldn't be.

Steps to Reproduce:

1. Light soul sand/soil on fire
2. Place ice and snow next to the soul fire
3. Increase the randomtickspeed (to speed up the process)

Observed Results:
Soul fire melts ice and snow.

Expected Results:
Soul fire should not melt ice and now.