Fix block type check on placement

TechbloxModdingAPI/Blocks/PlacementEngine.cs

@@ -49,8 +49,7 @@ namespace TechbloxModdingAPI.Blocks
         {
             if (_blockEntityFactory == null)
                 throw new BlockException("The factory is null.");
-            uint resourceId = (uint) PrefabsID.GenerateResourceID(0, block);
-            if (!PrefabsID.PrefabIDByResourceIDMap.ContainsKey(resourceId))
+            if(!FullGameFields._dataDb.ContainsKey<CubeListData>(block))
                 throw new BlockException("Block with ID " + block + " not found!");
             //RobocraftX.CR.MachineEditing.PlaceSingleBlockEngine
             DBEntityStruct dbEntity = new DBEntityStruct {DBID = block};