re-add the sleep lost in the revert.

OpenSim/Region/Framework/Scenes/SceneObjectPartInventory.cs

@@ -31,6 +31,7 @@ using System.IO;
 using System.Collections.Generic;
 using System.Collections;
 using System.Reflection;
+using System.Threading;
 using OpenMetaverse;
 using log4net;
 using OpenSim.Framework;
@@ -200,6 +201,7 @@ namespace OpenSim.Region.Framework.Scenes
                     if ((int)InventoryType.LSL == item.InvType)
                     {
                         CreateScriptInstance(item, startParam, postOnRez, engine, stateSource);
+                        Thread.Sleep(10); // workaround for Mono cpu utilization > 100% bug
                     }
                 }
             }