Add more WanderingTrader API

paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftWanderingTrader.java

@@ -28,4 +28,26 @@ public class CraftWanderingTrader extends CraftAbstractVillager implements Wande
     public void setDespawnDelay(int despawnDelay) {
         this.getHandle().setDespawnDelay(despawnDelay);
     }
+
+    // Paper start - Add more WanderingTrader API
+    @Override
+    public void setCanDrinkPotion(boolean bool) {
+        getHandle().canDrinkPotion = bool;
+    }
+
+    @Override
+    public boolean canDrinkPotion() {
+        return getHandle().canDrinkPotion;
+    }
+
+    @Override
+    public void setCanDrinkMilk(boolean bool) {
+        getHandle().canDrinkMilk = bool;
+    }
+
+    @Override
+    public boolean canDrinkMilk() {
+        return getHandle().canDrinkMilk;
+    }
+    // Paper end
 }