Only remove blocks when golem is successfully spawned. Fixes BUKKIT-1094

By: feildmaster <admin@feildmaster.com>

paper-server/src/main/java/org/bukkit/craftbukkit/util/BlockStateListPopulator.java

@@ -1,5 +1,6 @@
 package org.bukkit.craftbukkit.util;
 
+import java.util.ArrayList;
 import java.util.List;
 import org.bukkit.World;
 import org.bukkit.block.BlockState;
@@ -8,6 +9,10 @@ public class BlockStateListPopulator {
     private final World world;
     private final List<BlockState> list;
 
+    public BlockStateListPopulator(World world) {
+        this(world, new ArrayList<BlockState>());
+    }
+
     public BlockStateListPopulator(World world, List<BlockState> list) {
         this.world = world;
         this.list = list;
@@ -19,6 +24,12 @@ public class BlockStateListPopulator {
         list.add(state);
     }
 
+    public void updateList() {
+        for (BlockState state : list) {
+            state.update(true);
+        }
+    }
+
     public List<BlockState> getList() {
         return list;
     }