API to get Material from Boats and Minecarts

== AT ==
public net.minecraft.world.entity.vehicle.AbstractBoat getDropItem()Lnet/minecraft/world/item/Item;

paper-server/patches/sources/net/minecraft/world/entity/vehicle/AbstractMinecart.java.patch

@@ -121,16 +121,15 @@
                      double d0 = entity.getX() - this.getX();
                      double d1 = entity.getZ() - this.getZ();
                      double d2 = d0 * d0 + d1 * d1;
-@@ -644,5 +694,27 @@
- 
+@@ -645,4 +695,27 @@
      public boolean isFurnace() {
          return false;
-+    }
+     }
 +
 +    // CraftBukkit start - Methods for getting and setting flying and derailed velocity modifiers
 +    public Vector getFlyingVelocityMod() {
 +        return new Vector(this.flyingX, this.flyingY, this.flyingZ);
-     }
++    }
 +
 +    public void setFlyingVelocityMod(Vector flying) {
 +        this.flyingX = flying.getX();
@@ -148,4 +147,5 @@
 +        this.derailedZ = derailed.getZ();
 +    }
 +    // CraftBukkit end
++    public net.minecraft.world.item.Item publicGetDropItem() { return getDropItem(); } // Paper - api to get boat and minecart material - expose public drop item
  }