src/vs/workbench/browser/parts/views/viewsService.ts/ViewsService/getViewWithId
class ViewsService:	getViewWithId<T extends IView>(id: string): T | null {
		const viewContainer = this.viewDescriptorService.getViewContainerByViewId(id);
		if (viewContainer) {
			const viewPaneContainer: IViewPaneContainer | undefined = this.viewPaneContainers.get(viewContainer.id);
			if (viewPaneContainer) {
				return viewPaneContainer.getView(id) as T;
			}
		}
		return null;
	}