#1149: Add BlockData#getPlacementMaterial

By: Jishuna <joshl5324@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/block/data/CraftBlockData.java

@@ -617,4 +617,9 @@ public class CraftBlockData implements BlockData {
 
         return state.isFaceSturdy(BlockAccessAir.INSTANCE, BlockPosition.ZERO, CraftBlock.blockFaceToNotch(face), CraftBlockSupport.toNMS(support));
     }
+
+    @Override
+    public Material getPlacementMaterial() {
+        return CraftMagicNumbers.getMaterial(state.getBlock().asItem());
+    }
 }