src/vs/base/browser/ui/list/listWidget.ts/KeyboardController/onCtrlA
class KeyboardController:	private onCtrlA(e: StandardKeyboardEvent): void {
		e.preventDefault();
		e.stopPropagation();
		this.list.setSelection(range(this.list.length), e.browserEvent);
		this.list.setAnchor(undefined);
		this.view.domNode.focus();
	}