Fixed NMS block set to copy tile entity data even if the original block did not change its id or data

src/main/java/com/sk89q/worldedit/bukkit/NmsBlock.java

@@ -216,7 +216,7 @@ class NmsBlock extends BaseBlock implements TileEntityBlock {
      * @param position position to set the block at
      * @param block the block to set
      * @param notifyAdjacent true to notify physics and what not
-     * @return true if set
+     * @return true if block id or data was changed
      */
     public static boolean setSafely(BukkitWorld world, Vector position,
             Block block, boolean notifyAdjacent) {
@@ -227,14 +227,14 @@ class NmsBlock extends BaseBlock implements TileEntityBlock {
 
         CraftWorld craftWorld = ((CraftWorld) world.getWorld());
 
-        boolean successful = craftWorld.getHandle().setRawTypeIdAndData(
+        boolean changed = craftWorld.getHandle().setRawTypeIdAndData(
                 x, y, z, block.getId(), block.getData());
 
-        if (successful) {
+        if (block instanceof BaseBlock) {
-            if (block instanceof BaseBlock) {
+            world.copyToWorld(position, (BaseBlock) block);
-                world.copyToWorld(position, (BaseBlock) block);
+        }
-            }
 
+        if (changed) {
             if (notifyAdjacent) {
                 craftWorld.getHandle().update(x, y, z, block.getId());
             } else {
@@ -242,7 +242,7 @@ class NmsBlock extends BaseBlock implements TileEntityBlock {
             }
         }
 
-        return successful;
+        return changed;
     }
 
     /**