Firework explosions don't damage endermen

The Bug:

Firework explosions don't damage endermen.

Steps to Reproduce:

1. Give yourself a crossbow already loaded with a firework rocket by using the command provided below.

   /give @s minecraft:crossbow{Charged:1b,ChargedProjectiles:[{id:"minecraft:firework_rocket",Count:1b,tag:{Fireworks:{Explosions:[{Flicker:1,Trail:1,Type:1}]}}}]}

2. Summon an enderman and shoot a firework at it using the crossbow.
3. Take note as to whether or not firework explosions damage endermen.

Observed Behavior:

Firework explosions don't damage endermen.

Expected Behavior:

Firework explosions would damage endermen.