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
{
			case URI_TYPE :
				swtichToExprType( );
				break;
			case EMBEDDED_TYPE :
				swtichToEmbeddedType( );
				break;
			case BLOB_TYPE :
				swtichToExprType( );
				break;
			case FILE_TYPE :
				swtichToResourceType( );
				break;
		}
		inputArea.layout( );
		
		resize( );
	}
	/**
	 * Switch to select file in BIRT resource folder.
	 */
	private void swtichToResourceType( )
	{
		Label title = new Label( inputArea, SWT.NONE );
		uriEditor = new Text( inputArea, SWT.SINGLE
				| SWT.BORDER
				| SWT.READ_ONLY );
		uriEditor.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		uriEditor.addModifyListener( new ModifyListener( ) {
			public void modifyText( ModifyEvent e )