Bug 124599 Shortcut delete and menu delete act different in table column.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/parts/GraphicalEditorWithFlyoutPalette.java
* 
	 * <p>
	 * <code>CommandStack</code> actions are actions that depend and work on
	 * the <code>CommandStack</code>.
	 * 
	 * @param action
	 *            the <code>CommandStack</code> action
	 */
	protected void addStackAction( StackAction action )
	{
		getActionRegistry( ).registerAction( action );
		stackActionIDs.add( action.getId( ) );
	}
	/**
	 * Updates the specified actions.
	 * 
	 * @param actionIds
	 *            the list of ids of actions to update
	 */
	protected void updateActions( List actionIds )
	{
		for ( Iterator ids = actionIds.iterator( ); ids.hasNext( ); )
		{
			IAction action = getActionRegistry( ).getAction( ids.next( ) );
			if ( null != action && action instanceof UpdateAction )
				( (UpdateAction) action ).update( );
		}
	}
	/**
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.parts.EditorSelectionProvider#updateStackActions()