src/vs/workbench/browser/parts/activitybar/activitybarActions.ts/MenuActivityActionViewItem/resolveMainMenuActions
class MenuActivityActionViewItem:	protected async resolveMainMenuActions(menu: IMenu, disposables: DisposableStore): Promise<IAction[]> {
		const actions: IAction[] = [];

		disposables.add(createAndFillInActionBarActions(menu, undefined, { primary: [], secondary: actions }));

		return actions;
	}