Bug 147604 Value in parameter list displays incorrectly with paramter group
Steps to reproduce: 1.Add a parameter group "pg" in report1, add a parameter"p" in the group 2.Add a label in report2, set a drill-through hyperlink, set target report is "report1", click parameter Expected result: Only one "p" lists in the value list Actual result: Two "p" appear
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HyperlinkBuilder.java
if ( htmlButton.getSelection( ) )
				{
					inputHandle.setFormatType( "html" ); 
				}
				else
				{
					inputHandle.setFormatType( DesignChoiceConstants.FORMAT_TYPE_PDF );
				}
			}
			inputHandle.setLinkType( selectedType );
		}
		catch ( SemanticException e )
		{
			ExceptionHandler.handle( e );
		}
		setResult( inputHandle );
		super.okPressed( );
	}
	public boolean close( )
	{
		closeTargetReport( );
		return super.close( );
	}
	/**
	 * Set the action to edit.
	 * 
	 * @param input
	 *            the action to edit.
	 */
	public void setInput( ActionHandle input )