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