Bug 142430 Available data set should be invisible for dynamic image
Steps to reproduce: 1.New a sample data source and data set with table "PRODUCTLINES" 2.Add a dynamic image, binding with data set 3.Click "Expression Builder" Expected result: Available data set is not listed in Category to avoid user choose it Actual result: Available data set is listed in Category but we didn't support such expression like dataSetRow["image"]
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
initList( );
	}
	private void preview( String uri )
	{
		try
		{
			Image image = ImageManager.getInstance( ).loadImage( uri );
			previewCanvas.loadImage( image );
		}
		catch ( Exception e )
		{
			clearPreview( );
			ExceptionHandler.handle( e,