Use Contact model in UdLookupCallback

Sources/XXClient/Callbacks/UdLookupCallback.swift

@@ -2,11 +2,11 @@ import Bindings
 import XCTestDynamicOverlay
 
 public struct UdLookupCallback {
-  public init(handle: @escaping (Result<Data, NSError>) -> Void) {
+  public init(handle: @escaping (Result<Contact, NSError>) -> Void) {
     self.handle = handle
   }
 
-  public var handle: (Result<Data, NSError>) -> Void
+  public var handle: (Result<Contact, NSError>) -> Void
 }
 
 extension UdLookupCallback {
@@ -28,7 +28,7 @@ extension UdLookupCallback {
         if let error = err {
           callback.handle(.failure(error as NSError))
         } else if let data = contactBytes {
-          callback.handle(.success(data))
+          callback.handle(.success(Contact.live(data)))
         } else {
           fatalError("BindingsUdLookupCallback received `nil` data and `nil` error")
         }