Various e2e test fixes (#3284)

* Just use the first picture every time

* Add missing testIDs

* Various test fixes

* Use simplified link fetcher for e2e

* Disable tests for now-n

* Update test-env creation

src/view/com/util/UserAvatar.tsx

@@ -298,7 +298,10 @@ let EditableUserAvatar = ({
     <Menu.Root>
       <Menu.Trigger label={_(msg`Edit avatar`)}>
         {({props}) => (
-          <TouchableOpacity {...props} activeOpacity={0.8}>
+          <TouchableOpacity
+            {...props}
+            activeOpacity={0.8}
+            testID="changeAvatarBtn">
             {avatar ? (
               <HighPriorityImage
                 testID="userAvatarImage"

src/view/com/util/UserBanner.tsx

@@ -84,7 +84,10 @@ export function UserBanner({
       <Menu.Root>
         <Menu.Trigger label={_(msg`Edit avatar`)}>
           {({props}) => (
-            <TouchableOpacity {...props} activeOpacity={0.8}>
+            <TouchableOpacity
+              {...props}
+              activeOpacity={0.8}
+              testID="changeBannerBtn">
               {banner ? (
                 <Image
                   testID="userBannerImage"