open help url on builtin browsert

Author: marticliment

src/UniGetUI/Pages/HelpPage.xaml.cs

@@ -50,8 +50,15 @@ private async Task InitializeWebView()
             };
 
             await webView.EnsureCoreWebView2Async();
+            NavigateTo("", skipWait: true);
             Initialized = true;
-            webView.Source = lastUri ?? new Uri("https://marticliment.com/unigetui/help");
+        }
+
+        public async void NavigateTo(string piece, bool skipWait = false)
+        {
+            while (!Initialized && !skipWait) await Task.Delay(50);
+            ArgumentNullException.ThrowIfNull(webView);
+            webView.Source = new Uri("https://marticliment.com/unigetui/help/" + piece);
         }
 
         private void BackButton_Click(object sender, RoutedEventArgs e)

src/UniGetUI/Pages/MainView.xaml.cs

@@ -361,8 +361,11 @@ public void UniGetUILogs_Click(object sender, RoutedEventArgs e)
         private void HelpMenu_Click(object sender, RoutedEventArgs e)
             => ShowHelp();
 
-        public void ShowHelp()
-            => NavigateTo(PageType.Help);
+        public void ShowHelp(string uriAttachment = "")
+        {
+            NavigateTo(PageType.Help);
+            HelpPage?.NavigateTo(uriAttachment);
+        }
 
         private void QuitUniGetUI_Click(object sender, RoutedEventArgs e)
             => MainApp.Instance.DisposeAndQuit();

src/UniGetUI/Services/UserAvatar.cs

@@ -118,9 +118,9 @@ private PointButton GenerateLoginControl()
                 Padding = new Thickness(0),
                 HorizontalAlignment = HorizontalAlignment.Stretch,
                 Content = CoreTools.Translate("More details"),
-                NavigateUri = new Uri("https://www.marticliment.com/unigetui/help/cloud-backup-overview/"),
                 FontSize = 12
             };
+            hyperlinkButton.Click += (_, _) => MainApp.Instance.MainWindow.NavigationPage.ShowHelp("cloud-backup-overview/");
 
             var loginButton = new PointButton
             {