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
".jpeg",
			".jpe",
			".jfif",
			".gif",
			".png",
			".tif",
			".tiff",
			".ico"
	};
	private static final String[] IMAGE_FILEFILTERS = new String[]{
		"*.bmp;*.jpg;*.jpeg;*.jpe;*.jfif;*.gif;*.png;*.tif;*.tiff;*.ico"
	};
	
	
	private static final String DLG_IMPORT_BUTTON = Messages.getString( "ImageBuilder.Button.Import" ); 
	private static final String DLG_PREVIEW_LABEL = Messages.getString( "ImageBuilder.Button.Preview" ); 
	private static final String DLG_ENTER_URI_LABEL = Messages.getString( "ImageBuilder.Label.EnterUri" ); 
	
	private static final String DLG_ENTER_RESOURCE_FILE_LABEL = Messages.getString( "ImageBuilder.Label.EnterResourceFile" ); 
	private static final String DLG_EMBEDDED_IMAGE_LABEL = Messages.getString( "ImageBuilder.Label.EmbededImage" ); 
	private static final String DLG_URI_LABEL = Messages.getString( "ImageBuilder.Label.URI" ); 
	private static final String DLG_SELECT_PICTURE_LABEL = Messages.getString( "ImageBuilder.Label.SelectFrom" ); 
	private static final String DLG_INSERT_BUTTON_MSG = Messages.getString( "ImageBuilder.Button.Insert" ); 
	public static final String DLG_TITLE_NEW = Messages.getString( "ImageBuilder.DialogTitle.New" ); 
	public static final String DLG_TITLE_EDIT = Messages.getString( "ImageBuilder.DialogTitle.Edit" ); 
	
	
	
	private static final String DLG_TITLE_IMPORT_FAIL = Messages.getString( "ImageBuilder.DialogTitle.ImportFailed" ); 
	private static final String DLG_TITLE_LOADING_FAIL = Messages.getString( "ImageBuilder.DialogTitle.LoadingFailed" );