Check to see if the player can start using the Releasable item. (#4532)

src/item/MilkBucket.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 use pocketmine\entity\Living;
+use pocketmine\player\Player;
 
 class MilkBucket extends Item implements ConsumableItem{
 
@@ -42,4 +43,8 @@ class MilkBucket extends Item implements ConsumableItem{
 	public function onConsume(Living $consumer) : void{
 		$consumer->getEffects()->clear();
 	}
+
+	public function canStartUsingItem(Player $player) : bool{
+		return true;
+	}
 }