Bug 422205 Missing help content reference in MongoDB ODA Data Set UI page
The help context ID is not referenced by the MongoDB DOA data set query page.
data/org.eclipse.birt.data.oda.mongodb.ui/src/org/eclipse/birt/data/oda/mongodb/ui/impl/MongoDBDataSetWizardPage.java
treeEntry.setMetaData( metaData );
				availableFieldsViewer.refresh( );
			}
		}
	}
	private void refreshSelectedFieldsViewer( )
	{
		selectedFieldsTable.setInput( selectedFields );
		selectedFieldsTable.refresh( );
	}
	private void updateAvailableFieldsList( ) throws OdaException
	{
		allAvailableFields.clear( );
		if ( metaData == null )
		{
			throw new OdaException( Messages.getString( "MongoDBDataSetWizardPage.ExceptionDialog.message.NoMetaData" ) ); 
		}
		BusyIndicator.showWhile( Display.getDefault( ), new Runnable( ) {
			public void run( )
			{
				try
				{
					if ( treeEntry == null )
					{
						treeEntry = new FieldEntryWrapper( collectionName,
								metaData,
								searchLimit,
								queryProps );
					}
					else