fix display name/name

Author: marykatefain

src/pages/Index.tsx

@@ -155,7 +155,7 @@ const Index = () => {
           await createCashuWallet();
           await publishEvent({
             kind: 0,
-            content: JSON.stringify({ name: fakeName, display_name: fakeName }),
+            content: JSON.stringify({ name: fakeName }),
           });
         } catch {
           // fallthrough

src/pages/Profile.tsx

@@ -406,7 +406,7 @@ function UserGroupsList({
   const isCurrentUser = user && profileUserPubkey === user.pubkey;
   const profileAuthor = useAuthor(profileUserPubkey);
   const profileMetadata = profileAuthor.data?.metadata;
-  const profileDisplayName = profileMetadata?.display_name || profileMetadata?.name || profileUserPubkey.slice(0, 8);
+  const profileDisplayName = profileMetadata?.name || profileUserPubkey.slice(0, 8);
 
   if (isLoading) {
     return (
@@ -1031,7 +1031,7 @@ export default function Profile() {
 
   const metadata = author.data?.metadata;
   const displayName = metadata?.name || pubkey?.slice(0, 8) || "";
-  const displayNameFull = metadata?.display_name || displayName;
+  const displayNameFull = displayName;
   const profileImage = metadata?.picture;
   const about = metadata?.about;
   const website = metadata?.website;