reduced-complexity implementation of function to get rezzing object key

Signed-off-by: Melanie <melanie@t-data.com>

OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs

@@ -610,6 +610,14 @@ namespace OpenSim.Region.Framework.Scenes
         /// </remarks>
         public UUID FromItemID { get; set; }
 
+        /// <summary>
+        /// Refers to the SceneObjectPart.UUID property of the object that this object was rezzed from, if applicable.
+        /// </summary>
+        /// <remarks>
+        /// If not applicable will be UUID.Zero
+        /// </remarks>
+        public UUID RezzingObjectID { get; set; }
+
         /// <summary>
         /// The folder ID that this object was rezzed from, if applicable.
         /// </summary>