Primed TNT can be knocked back using spear jab and charge attacks

The Bug:

Primed TNT can be knocked back using spear jab and charge attacks.

Steps to Reproduce:

1. Obtain a spear, place down some TNT and ignite it.

2. Begin charging with the spear toward the TNT so that you hit it, or jab the TNT.

Observed Behavior:

Primed TNT can be knocked back using spear jab and charge attacks.

Expected Behavior:

Primed TNT would not be able to be knocked back using jab and spear charge attacks.