Fix RArmorStand initialization race condition

SpigotCore_Main/src/de/steamwar/entity/RArmorStand.java

@@ -59,7 +59,9 @@ public class RArmorStand extends REntity {
     @Override
     void spawn(Consumer<Object> packetSink) {
         super.spawn(packetSink);
-        packetSink.accept(getDataWatcherPacket(sizeWatcher, size.value));
+
+        if(size != null && size != Size.NORMAL)
+            packetSink.accept(getDataWatcherPacket(sizeWatcher, size.value));
     }
 
     public enum Size {