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 EMBEDDED_TYPE :
				complete = ( embeddedImageList.getSelectionCount( ) > 0 );
				
				break;
			case FILE_TYPE :
				complete = !StringUtil.isBlank( uriEditor.getText( ) );
				previewButton.setEnabled( complete );
				break;
		}
		getOkButton( ).setEnabled( complete );
	}
	private void openExpression( )
	{
		ExpressionBuilder expressionBuilder = new ExpressionBuilder( uriEditor.getText( ) );
		
		
		
		
		unionDataSets( );
		ExpressionProvider provider = new ExpressionProvider( inputImage );
		expressionBuilder.setExpressionProvier( provider );
		
		if ( expressionBuilder.open( ) == OK )
		{
			uriEditor.setText( expressionBuilder.getResult( ) );
		}
	}
	private void openBidingDialog( )
	{
		CommandStack stack = SessionHandleAdapter.getInstance( )