fix accessibility label in notifications (#4305)

* fix accessibility label in notifications

* add accessibility options to expand post

* inherit from outside, but always include `activate`

* include option to disable label/hint on previewable avatar

* fix hidden elements still being read on voiceover

* make it work for followers too

* extract variable

* fix hint

* update wording elsewhere

src/view/com/util/UserAvatar.tsx

@@ -53,6 +53,7 @@ interface PreviewableUserAvatarProps extends BaseUserAvatarProps {
   profile: AppBskyActorDefs.ProfileViewBasic
   disableHoverCard?: boolean
   onBeforePress?: () => void
+  accessible?: boolean
 }
 
 const BLUR_AMOUNT = isWeb ? 5 : 100
@@ -386,6 +387,7 @@ let PreviewableUserAvatar = ({
   profile,
   disableHoverCard,
   onBeforePress,
+  accessible = true,
   ...rest
 }: PreviewableUserAvatarProps): React.ReactNode => {
   const {_} = useLingui()
@@ -399,7 +401,12 @@ let PreviewableUserAvatar = ({
   return (
     <ProfileHoverCard did={profile.did} disable={disableHoverCard}>
       <Link
-        label={_(msg`See profile`)}
+        label={
+          accessible
+            ? _(msg`${profile.displayName || profile.handle}'s avatar`)
+            : undefined
+        }
+        accessibilityHint={accessible ? _(msg`Opens this profile`) : undefined}
         to={makeProfileLink({
           did: profile.did,
           handle: profile.handle,