Fix styling regressions: familiar followers layout & alert action hover color (#38438)

app/javascript/mastodon/features/account_timeline/components/familiar_followers.tsx

@@ -69,7 +69,9 @@ export const FamiliarFollowers: React.FC<{ accountId: string }> = ({
           <Avatar withLink key={account.id} account={account} size={28} />
         ))}
       </AvatarGroup>
-      <FamiliarFollowersReadout familiarFollowers={familiarFollowers} />
+      <span>
+        <FamiliarFollowersReadout familiarFollowers={familiarFollowers} />
+      </span>
     </div>
   );
 };