Ensure mention profiles render with display names

Co-authored-by: Daniel D’Aquino <daniel@daquino.me>
Closes: https://github.com/damus-io/damus/issues/3331
Changelog-Fixed: Fix mention pills falling back to @npub text when profile metadata is missing
Signed-off-by: alltheseas <64376233+alltheseas@users.noreply.github.com>

damus/Core/Networking/NostrNetworkManager/ProfilesManager.swift

@@ -101,6 +101,10 @@ extension NostrNetworkManager {
                     relevantStream.continuation.yield(profile)
                 }
             }
+            
+            // Notify the rest of the app so views that rely on rendered text (like mention strings)
+            // can reload and pick up the freshly fetched profile metadata.
+            notify(.profile_updated(.remote(pubkey: metadataEvent.pubkey)))
         }