src/vs/base/browser/ui/menu/menu.ts/Menu/focusItemByElement
class Menu:	private focusItemByElement(element: HTMLElement) {
		const lastFocusedItem = this.focusedItem;
		this.setFocusedItem(element);

		if (lastFocusedItem !== this.focusedItem) {
			this.updateFocus();
		}
	}