Bug 134988 [regression]Available items in Query didn't change when change data source in Edit Data Set Dialog.
Description: Available items in Query didn't change when change data source in Edit Data Set Dialog. Steps to reproduce: 1. New two different data sources. 2. New a dataset, change data source, view Available Items in Query pane. Expected result: Available Items in Query pane changed according to new Data source. Actual result: Available Items in Query pane kept unchanged.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/data/ui/property/AbstractPropertyDialog.java
propertyPane.setLayoutData( data );
		return propertyContainer;
	}
	
	/**
	 * Create TitleArea
	 * 
	 * @param parent
	 * @return
	 */
	public Composite createTitleArea( Composite parent )
	{
		Composite messageComposite = new Composite( parent, SWT.NONE );
		GridData data = new GridData( GridData.FILL_HORIZONTAL );
		messageComposite.setLayoutData( data );
		FormLayout messageLayout = new FormLayout( );
		messageComposite.setLayout( messageLayout );
		messageArea = new DialogMessageArea( );
		messageArea.createContents( messageComposite );
		titleImage = new Label( messageComposite, SWT.LEFT );
		FormData imageData = new FormData( );
		imageData.right = new FormAttachment( 100 );
		imageData.top = new FormAttachment( 0 );
		imageData.bottom = new FormAttachment( 100 );
		titleImage.setLayoutData( imageData );
		FormData messageData = new FormData( );
		messageData.left = new FormAttachment( 0, 0 );
		messageData.right = new FormAttachment( titleImage, 0 );
		messageData.bottom = new FormAttachment( titleImage, 0, SWT.BOTTOM );
		messageData.top = new FormAttachment( 0, 0 );