src/vs/workbench/contrib/feedback/browser/feedback.ts/FeedbackWidget/invoke
class FeedbackWidget:	private invoke(element: HTMLElement, disposables: DisposableStore, callback: () => void): HTMLElement {
		disposables.add(dom.addDisposableListener(element, 'click', callback));

		disposables.add(dom.addDisposableListener(element, 'keypress', e => {
			if (e instanceof KeyboardEvent) {
				const keyboardEvent = <KeyboardEvent>e;
				if (keyboardEvent.keyCode === 13 || keyboardEvent.keyCode === 32) { // Enter or Spacebar
					callback();
				}
			}
		}));

		return element;
	}