b/216743374 Add 'Help > Keyboard shortcuts' menu item (#612)

* Replace RDP-specific shortcuts window by wiki page
* Remove 'Desktop > Shortcuts' menu item
* Add 'Help > Keyboard shortcuts' menu item

sources/Google.Solutions.IapDesktop.Application/Views/HelpService.cs

@@ -38,6 +38,10 @@ public static class HelpTopics
             "Documentation",
             "https://github.com/GoogleCloudPlatform/iap-desktop/wiki");
 
+        public static readonly IHelpTopic Shortcuts = new HelpTopic(
+            "Keyboard shortcuts",
+            "https://github.com/GoogleCloudPlatform/iap-desktop/wiki/Keyboard-shortcuts");
+
         public static readonly IHelpTopic BrowserIntegration = new HelpTopic(
             "Browser Integration",
             "https://github.com/GoogleCloudPlatform/iap-desktop/wiki/Browser-Integration");

sources/Google.Solutions.IapDesktop.Extensions.Shell/Google.Solutions.IapDesktop.Extensions.Shell.csproj

@@ -201,12 +201,6 @@
     <Compile Include="Views\RemoteDesktop\RemoteDesktopPane.Designer.cs">
       <DependentUpon>RemoteDesktopPane.cs</DependentUpon>
     </Compile>
-    <Compile Include="Views\RemoteDesktop\ShortcutsWindow.cs">
-      <SubType>Form</SubType>
-    </Compile>
-    <Compile Include="Views\RemoteDesktop\ShortcutsWindow.Designer.cs">
-      <DependentUpon>ShortcutsWindow.cs</DependentUpon>
-    </Compile>
     <Compile Include="Views\RemoteDesktop\UnsafeNativeMethods.cs" />
     <Compile Include="Views\SshTerminal\SshAuthenticationPromptDialog.cs">
       <SubType>Form</SubType>
@@ -298,9 +292,6 @@
     <EmbeddedResource Include="Views\RemoteDesktop\RemoteDesktopPane.resx">
       <DependentUpon>RemoteDesktopPane.cs</DependentUpon>
     </EmbeddedResource>
-    <EmbeddedResource Include="Views\RemoteDesktop\ShortcutsWindow.resx">
-      <DependentUpon>ShortcutsWindow.cs</DependentUpon>
-    </EmbeddedResource>
     <EmbeddedResource Include="Views\SshTerminal\SshAuthenticationPromptDialog.resx">
       <DependentUpon>SshAuthenticationPromptDialog.cs</DependentUpon>
     </EmbeddedResource>
@@ -322,7 +313,6 @@
     <None Include="Resources\Connect_16.png" />
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="Resources\Shortcuts.rtf" />
     <None Include="Resources\Tunnel_16.png" />
   </ItemGroup>
   <ItemGroup>

sources/Google.Solutions.IapDesktop.Extensions.Shell/Services/ShellExtension.cs

@@ -391,11 +391,6 @@ public ShellExtension(IServiceProvider serviceProvider)
                     Image = Resources.Disconnect_16,
                     ShortcutKeys = Keys.Control | Keys.F4
                 });
-            desktopMenu.AddCommand(
-                new Command<IMainForm>(
-                    "&Keyboard shortcuts",
-                    _ => GetCommandStateWhenActiveRemoteDesktopSessionRequired(),
-                    _ => new ShortcutsWindow().Show(this.window)));
             desktopMenu.AddSeparator();
             desktopMenu.AddCommand(
                 new Command<IMainForm>(