Centralise the NIP-05 wildcard check (name != "_") on the data class itself.

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/NIP05VerificationDisplay.kt

@@ -378,7 +378,7 @@ fun ObserveAndDisplayNIP05(
 ) {
     val uri = LocalUriHandler.current
 
-    if (nip05State.nip05.name != "_") {
+    if (nip05State.nip05.hasLocalPart()) {
         Text(
             text = remember(nip05State) { AnnotatedString(nip05State.nip05.name) },
             fontSize = Font14SP,
@@ -407,7 +407,7 @@ fun DisplayNIP05(
 ) {
     val uri = LocalUriHandler.current
 
-    if (nip05State.nip05.name != "_") {
+    if (nip05State.nip05.hasLocalPart()) {
         Text(
             text = remember(nip05State) { AnnotatedString(nip05State.nip05.name) },
             fontSize = Font14SP,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/note/creators/userSuggestions/ShowUserSuggestionList.kt

@@ -188,7 +188,7 @@ private fun NonClickableObserveAndDisplayNIP05(
     nip05State: Nip05State.Exists,
     accountViewModel: AccountViewModel,
 ) {
-    if (nip05State.nip05.name != "_") {
+    if (nip05State.nip05.hasLocalPart()) {
         Text(
             text = remember(nip05State) { AnnotatedString(nip05State.nip05.name) },
             fontSize = Font14SP,

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/relays/nip86/RelayManagementScreen.kt

@@ -490,7 +490,7 @@ private fun PubkeyNip05Row(
 
     when (val nip05State = nip05StateMetadata) {
         is Nip05State.Exists -> {
-            if (nip05State.nip05.name != "_") {
+            if (nip05State.nip05.hasLocalPart()) {
                 Text(
                     text = remember(nip05State) { AnnotatedString(nip05State.nip05.name) },
                     fontSize = Font14SP,