src/vs/workbench/browser/layout.ts/Layout/applyDefaultLayout
class Layout:	private applyDefaultLayout(environmentService: IWorkbenchEnvironmentService, storageService: IStorageService) {
		const defaultLayout = environmentService.options?.defaultLayout;
		if (!defaultLayout) {
			return;
		}

		if (!defaultLayout.force && !storageService.isNew(StorageScope.WORKSPACE)) {
			return;
		}

		const { views } = defaultLayout;
		if (views?.length) {
			this.state.views.defaults = views.map(view => view.id);
		}
	}