The Bug:

Pufferfish don't use their held items when attacking entities.

Steps to Reproduce:

1. Summon a pufferfish that's holding a diamond sword enchanted with fire aspect by using the command provided below.

   /summon minecraft:pufferfish ~ ~ ~ {HandItems:[{id:"minecraft:diamond_sword",count:1,components:{"minecraft:enchantments":{levels:{"minecraft:fire_aspect":1}}}},{}]}

2. Switch to survival mode and allow the pufferfish to attack you.
3. Observe how much damage you receive and whether or not you get ignited.

Observed Behavior:

Pufferfish don't use their held items when attacking entities.

Expected Behavior:

Pufferfish would use their held items when attacking entities.