Enchantments on tridents don't work when used by drowned

The Bug:

Enchantments on tridents don't work when used by drowned.

Steps to Reproduce:

1. Summon a drowned in some water that's holding a trident enchanted with riptide by using the command provided below.

   /summon minecraft:drowned ~ ~ ~ {HandItems:[{id:"minecraft:trident",Count:1b,tag:{Enchantments:[{id:"minecraft:riptide",lvl:3}]}},{}]}

2. Switch to survival mode and wait for the drowned to throws its trident at you.
3. Take note as to whether or not enchantments on tridents don't work when used by drowned.

Observed Behavior:

Enchantments on tridents don't work when used by drowned.

Expected Behavior:

Enchantments on tridents would work when used by drowned.