Improve instant view title

Author: FrayxRulez

Telegram/Controls/TabbedPageHeader.xaml.cs

@@ -117,10 +117,16 @@ public Uri Source
             {
                 if (value != null)
                 {
-                    SourceText.Text = value.Host + value.PathAndQuery + value.Fragment;
+                    var pathAndQuery = value.PathAndQuery;
+                    if (pathAndQuery == "/")
+                    {
+                        pathAndQuery = string.Empty;
+                    }
+
+                    SourceText.Text = value.Host + pathAndQuery + value.Fragment;
 
                     DomainText.Text = value.Host;
-                    PathText.Text = value.PathAndQuery + value.Fragment;
+                    PathText.Text = pathAndQuery + value.Fragment;
                 }
             }
         }

Telegram/ViewModels/InstantViewModel.cs

@@ -47,6 +47,12 @@ protected override async Task OnNavigatedToAsync(object parameter, NavigationMod
                     if (response is LinkPreview linkPreview)
                     {
                         Title = linkPreview.SiteName;
+                        return;
+                    }
+                    
+                    if (Uri.TryCreate(args.Url, UriKind.Absolute, out Uri uri))
+                    {
+                        Title = uri.Host;
                     }
                 }
                 else