Fix notification sync sematics

NearbyShare/Connection/InboundNearbyConnection.swift

@@ -611,7 +611,7 @@ class InboundNearbyConnection: NearbyConnection {
                         id: id,
                         pinCode: pinCode,
                         transferType: .notificationSync,
-                        allowsToBeAddedAsTrustedDevice: false
+                        allowsToBeAddedAsTrustedDevice: true
                     )
 
                     DispatchQueue.main.async {

NearbyShare/Connection/NearbyConnectionManager.swift

@@ -361,7 +361,9 @@ public class NearbyConnectionManager: NSObject, NetServiceDelegate, InboundNearb
     func connectionWasTerminated(connection: InboundNearbyConnection, savedFiles: [URL], error: Error?) {
         incomingConnections.removeValue(forKey: connection.id)
 
-        if connection.shouldSuppressAppDelegates {
+        // Notification-sync transfers suppress normal success callbacks, but
+        // still forward failures so pending consent/error UI can be cleaned up.
+        if connection.shouldSuppressAppDelegates, error == nil {
             return
         }