Bug 120216 Group dialog should be showed even dataset is not set.
- Add a table report item - do not set the data set - try creating a new table group. - An error is shown Expected behavior - As part of the template requirements, we dont want UI to do the validation. User should be able to go and define a group, even if the dataset is not defined.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/util/UIUtil.java
if ( selection instanceof IAdaptable )
		{
			IResource resource = (IResource) ( (IAdaptable) selection ).getAdapter( IResource.class );
			if ( resource != null
					&& resource.getProject( ) != null
					&& resource.getProject( ).isAccessible( ) )
			{
				return resource.getProject( );
			}
		}
		IProject[] pjs = ResourcesPlugin.getWorkspace( )
				.getRoot( )
				.getProjects( );
		for ( int i = 0; i < pjs.length; i++ )
		{
			if ( pjs[i].isAccessible( ) )
			{
				return pjs[i];
			}
		}
		return null;
	}
	/**
	 * Returns the default shell used by dialogs
	 * 
	 * @return the active shell of the current display
	 */
	public static Shell getDefaultShell( )
	{
		Shell shell = null;