Entities with their "NoGravity" tag set to "1b" don't receive any vertical knockback

The Bug:

Entities with their "NoGravity" tag set to "1b" don't receive any vertical knockback.

Steps to Reproduce:

1. Summon a husk that has its "NoGravity" NBT tag set to "1b" by using the command provided below.

   /summon minecraft:husk ~ ~1 ~ {NoGravity:1b}

2. Attack the husk and as you do this, watch it closely.
3. Take note as to whether or not entities with their "NoGravity" tag set to "1b" receive any vertical knockback.

Observed Behavior:

Entities don't receive any vertical knockback.

Expected Behavior:

Entities would receive vertical knockback.