add extra cleanup in delete messages and simulation, as a fall back

libraries/entities/src/EntitySimulation.cpp

@@ -65,6 +65,7 @@ void EntitySimulation::prepareEntityForDelete(EntityItemPointer entity) {
         removeEntityInternal(entity);
         if (entity->getElement()) {
             _deadEntities.insert(entity);
+            _entityTree->cleanupCloneIDs(entity->getEntityItemID());
         }
     }
 }

libraries/entities/src/EntityTree.cpp

@@ -1990,6 +1990,7 @@ int EntityTree::processEraseMessage(ReceivedMessage& message, const SharedNodePo
 
                 if (shouldEraseEntity(entityID, sourceNode)) {
                     entityItemIDsToDelete << entityItemID;
+                    cleanupCloneIDs(entityItemID);
                 }
             }
             deleteEntities(entityItemIDsToDelete, true, true);