Bug 131258 NewOdaDataSet is created when drop dataset from data explorer into layout in library
Details: NewOdaDataSet is created when drop dataset from data explorer into layout in library Setp: 1.New a library 2.Create a datasource and dataset 3.Drop dataset from Actual result: A new dataset named NewOdaDataSet is created. Exception result: The dataset is unnecessary to be created
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/palette/BasePaletteFactory.java
.getContents( );
					TextItemHandle textHandle = factory.newTextItem( null );
					String text = AUTOTEXT_LABEL_CREATE_BY;
					if ( reportDesignHandle.getAuthor( ) != null )
					{
						text += reportDesignHandle.getAuthor( );
					}
					textHandle.setContent( text );
					( (CellHandle) cellList.get( 0 ) ).getContent( )
							.add( textHandle );
					text = AUTOTEXT_LABEL_PAGE
							+ "<value-of>pageNumber</value-of>"; 
					textHandle = factory.newTextItem( null );
					textHandle.setContent( text );
					textHandle.setContentType( DesignChoiceConstants.TEXT_CONTENT_TYPE_HTML );
					( (CellHandle) cellList.get( 1 ) ).getContent( )
							.add( textHandle );
					textHandle = factory.newTextItem( null );
					textHandle.setContent( "<value-of>new Date()</value-of>" ); 
					textHandle.setContentType( DesignChoiceConstants.TEXT_CONTENT_TYPE_HTML );
					( (CellHandle) cellList.get( 2 ) ).getContent( )
							.add( textHandle );
				}
				catch ( SemanticException e )
				{
					ExceptionHandler.handle( e );
				}
			}
			else if ( IReportElementConstants.AUTOTEXT_CONFIDENTIAL_PAGE.equals( type ) )
			{