Adding DestinationAccount to the interface

Author: StanleyGoldman

src/GitHub.App/SampleData/ForkRepositoryExecuteViewModelDesigner.cs

@@ -25,6 +25,7 @@ public ForkRepositoryExecuteViewModelDesigner()
                 Name = "VisualStudio",
                 CloneUrl = "https://github.com/user/VisualStudio",
             };
+            DestinationAccount = new AccountDesigner();
         }
 
         public IObservable<object> Done => null;
@@ -35,6 +36,8 @@ public ForkRepositoryExecuteViewModelDesigner()
 
         public IRepositoryModel DestinationRepository { get; set; }
 
+        public IAccount DestinationAccount { get; }
+
         public IReactiveCommand<Repository> CreateFork => null;
 
         public bool ResetMasterTracking { get; set; } = true;

src/GitHub.App/ViewModels/Dialog/ForkRepositoryExecuteViewModel.cs

@@ -46,6 +46,7 @@ IRepositoryForkService repositoryForkService
         public IRepositoryModel SourceRepository { get; private set; }
 
         public IAccount DestinationAccount { get; private set; }
+
         public IRepositoryModel DestinationRepository { get; private set; }
 
         public IReactiveCommand<Repository> CreateFork { get; }

src/GitHub.Exports.Reactive/ViewModels/Dialog/IForkRepositoryExecuteViewModel.cs

@@ -16,6 +16,8 @@ public interface IForkRepositoryExecuteViewModel : IDialogContentViewModel
 
         IRepositoryModel DestinationRepository { get; }
 
+        IAccount DestinationAccount { get; }
+      
         /// <summary>
         /// Gets a command that is executed when the user clicks the "Fork" button.
         /// </summary>