Hotfix: Fix stems downloads on mobile web (#3382)

apps/audius-client/packages/web/patches/react-lottie+1.2.3.patch

@@ -0,0 +1,17 @@
+diff --git a/node_modules/react-lottie/dist/index.js b/node_modules/react-lottie/dist/index.js
+index b9015a6..8d37a73 100644
+--- a/node_modules/react-lottie/dist/index.js
++++ b/node_modules/react-lottie/dist/index.js
+@@ -100,8 +100,10 @@ var Lottie = function (_React$Component) {
+     value: function componentWillUpdate(nextProps /* , nextState */) {
+       /* Recreate the animation handle if the data is changed */
+       if (this.options.animationData !== nextProps.options.animationData) {
+-        this.deRegisterEvents(this.props.eventListeners);
+-        this.destroy();
++        if (this.anim !== null) {
++          this.deRegisterEvents(this.props.eventListeners);
++          this.destroy();
++        }
+         this.options = (0, _extends3.default)({}, this.options, nextProps.options);
+         this.anim = _lottieWeb2.default.loadAnimation(this.options);
+         this.registerEvents(nextProps.eventListeners);

apps/audius-client/packages/web/src/pages/track-page/TrackPageProvider.tsx

@@ -126,7 +126,8 @@ class TrackPageProvider extends Component<
     // Go to 404 if the track id isn't parsed correctly or if should redirect
     if (!params || (params.trackId && shouldRedirectTrack(params.trackId))) {
       console.log('not found 1')
-      this.props.goToRoute(NOT_FOUND_PAGE)
+      if (this.props.pathname !== '/signup')
+        this.props.goToRoute(NOT_FOUND_PAGE)
       return
     }