autoscroll on home page and dont run ads js at all for firefox android

ui/page/home/view.jsx

@@ -236,6 +236,9 @@ function HomePage(props: Props) {
 
               // delete last card to not introduce layout shifts
               lastCard.remove();
+
+              // addresses bug where ad doesn't show up until a scroll event
+              document.dispatchEvent(new CustomEvent('scroll'));
             }
           }
           checkFlag();

web/component/ads/view.jsx

@@ -53,6 +53,8 @@ function Ads(props: Props) {
     triggerBlacklist,
   } = props;
 
+  const shouldShowAds = SHOW_ADS && !authenticated;
+
   // load ad and tags here
   let scriptUrlToUse;
   let tagNameToUse;
@@ -71,7 +73,9 @@ function Ads(props: Props) {
 
   // add script to DOM
   useEffect(() => {
-    if (SHOW_ADS && !authenticated) {
+    if (isFirefoxAndroid) return;
+
+    if (shouldShowAds) {
       let script;
       try {
         script = document.createElement('script');