Bug 154832 Wrong node is added to Report Parameters for cascading parameter in Palette view
Description: Wrong node is added to Report Parameters for cascading parameter in Palette view. Steps to reproduce: 1. New a report, add a cascading parameter 2. Switch to Script tab in Editor view, and then switch to Palette view 3. Expand Report Parameters node Expected result: A cascading parameter group is added to Report Parameters node Actual result: Expect a cascading parameter group is added to Report Parameters node, the children of the cascading parameter group are added as scalar parameters
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
return super.getAdapter( adapter );
	}
	/**
	 * 
	 * initEditorLayout - initialize the UI components of the editor
	 * 
	 */
	private Composite initEditorLayout( Composite parent )
	{
		
		Composite mainPane = new Composite( parent, SWT.NONE );
		GridLayout layout = new GridLayout( );
		layout.verticalSpacing = 0;
		mainPane.setLayout( layout );
		final Composite barPane = new Composite( mainPane, SWT.NONE );
		layout = new GridLayout( 4, false );
		barPane.setLayout( layout );
		GridData gdata = new GridData( GridData.FILL_HORIZONTAL );
		barPane.setLayoutData( gdata );
		
		cmbExpList = new Combo( barPane, SWT.READ_ONLY );
		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
		cmbExpList.setLayoutData( layoutData );
		
		butReset = new Button( barPane, SWT.PUSH );
		butReset.setText( Messages.getString( "JSEditor.Button.Reset" ) ); 
		layoutData = new GridData( );
		layoutData.horizontalIndent = 6;
		butReset.setLayoutData( layoutData );
		butReset.addSelectionListener( new SelectionListener( ) {