fixup! Update Blazor VSIX to use Arcade VSIX tools

Author: natemcmaster

eng/Workarounds.AfterArcade.props

@@ -28,4 +28,15 @@
   <PropertyGroup>
     <RestoreConfigFile>$(RepoRoot)NuGet.config</RestoreConfigFile>
   </PropertyGroup>
+
+  <!--
+    Required to restore the RoslynTools.ModifyVsixManifest package.
+    This isn't auto-detected by Arcade like other feeds are.
+  -->
+  <PropertyGroup>
+    <RestoreSources>
+      $(RestoreSources);
+      https://dotnet.myget.org/F/roslyn-tools/api/v3/index.json;
+    </RestoreSources>
+  </PropertyGroup>
 </Project>

src/Components/Blazor/BlazorExtension/src/Microsoft.VisualStudio.BlazorExtension.csproj

@@ -13,10 +13,7 @@
     <ExtensionInstallationFolder>Microsoft\Blazor</ExtensionInstallationFolder>
 
     <!-- This should be set as true if we're ever building the VSIX for inclusion by the VS installer. -->
-    <IsProductComponent Condition="'$(IsProductComponent)'==''">false</IsProductComponent>
-
-    <!-- This VSIX does not insert into VS directly. -->
-    <VisualStudioInsertionComponent>false</VisualStudioInsertionComponent>
+    <IsProductComponent>false</IsProductComponent>
 
     <!-- Update the VSToolsPath to ensure VSIX builds -->
     <VSToolsPath Condition="'$(VSToolsPath)' == ''">$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)</VSToolsPath>