I summoned drowned with holding trident and removed trident from it by using command. and it still throwing trident. (far from 4~8 blocks)

1. I summoned drowned with holding trident.
2. It throwing trident at player.
3. I typed

/replaceitem entity @e[type=drowned] slot.weapon.mainhand 1 air

and it lost their trident.
4. It supposed to melee attack at player. but still used range attack.

also i summoned drowned with holding nothing and gave it a trident by using command. and it doesn't use ranged attack. (far from 4~8 blocks)

1. I summoned drowned with holding nothing.
2. It attacking player.
3. I typed

/replaceitem entity @e[type=drowned] slot.weapon.mainhand 1 trident

to give trident to it's hand.
4. It supposed to ranged attack at player. but it doesn't use ranged attack.