Stopped crash after publishing new repository

Visual Studio crashed after publishing, but the publishing process
completed before the crash. A call was made to a disposed object after
the view changed, causing the disposal.

Author: Ryoga81

src/GitHub.App/Controllers/UIController.cs

@@ -152,7 +152,6 @@ void End(bool success)
         {
             uiProvider.RemoveService(typeof(IConnection));
             transition.OnCompleted();
-            completion?.OnNext(success);
             completion?.OnCompleted();
             completion = null;
         }

src/GitHub.VisualStudio/TeamExplorer/Sync/GitHubPublishSection.cs

@@ -117,7 +117,7 @@ void ShowPublish()
             disposable = uiflow;
             var ui = uiflow.Value;
             var creation = ui.SelectFlow(UIControllerFlow.Publish);
-            ui.ListenToCompletionState().Subscribe(done =>
+            ui.ListenToCompletionState().Subscribe(_ => { }, () =>
             {
                 IsVisible = false;
                 ServiceProvider.TryGetService<ITeamExplorer>()?.NavigateToPage(new Guid(TeamExplorerPageIds.Home), null);