Bug 144378 There is no checkbox for user to bind a dynamic image
Description: Create a dynamic image, there is no checkbox for user to bind the column of dataset. Steps to reproduce: 1.Create a sample datasource and dataset with "select * from CLASSICMODELS.PRODUCTLINES". 2.Add a image to the report layout, select dynamic image type, and then click "Binding" button, select the dataset, and want to bind a column. But there is no checkbox for user to do this action. Expected result: Like data item, there is a checkbox for user to bind the column.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
| GridData.HORIZONTAL_ALIGN_BEGINNING );
		gd.widthHint = 300;
		gd.heightHint = 300;
		inputArea.setLayoutData( gd );
		inputArea.setLayout( new GridLayout( ) );
	}
	private void createPreviewArea( Composite composite )
	{
		Composite previewArea = new Composite( composite, SWT.BORDER );
		GridData gd = new GridData( GridData.FILL_BOTH );
		gd.widthHint = 250;
		gd.heightHint = 300;
		previewArea.setLayoutData( gd );
		previewArea.setLayout( new FillLayout( ) );
		previewCanvas = new ImageCanvas( previewArea );
	}
	private void switchTo( int type )
	{
		if ( type == selectedType )
		{
			return;
		}
		selectedType = type;
		Control[] controls = inputArea.getChildren( );
		for ( int i = 0; i < controls.length; i++ )
		{
			controls[i].dispose( );
		}
		clearPreview( );
		switch ( type )