Application crashes when `firebase.analytics();` is called from within an iframe in macOS Safari. Regression of or otherwise related to https://github.com/firebase/firebase-js-sdk/issues/631 ? ``` import * as firebase from 'firebase/app'; import 'firebase/analytics'; const app = firebase.initializeApp({...); const analytics = firebase.analytics(); ``` --- * Operating System version: macOS Mojave * Browser version: Safari 13.0.3 * Firebase SDK version: firebase@7.5.0 * Firebase Product: @firebase/analytics@0.2.7