Add Razor EA to remote workspace (#74465)

src/Workspaces/Remote/ServiceHub/Host/RemoteWorkspaceManager.cs

@@ -8,6 +8,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.CodeAnalysis.ExternalAccess.AspNetCore.Internal.EmbeddedLanguages;
+using Microsoft.CodeAnalysis.ExternalAccess.Razor;
 using Microsoft.CodeAnalysis.Host.Mef;
 using Microsoft.ServiceHub.Framework;
 using Microsoft.VisualStudio.Composition;
@@ -25,6 +26,7 @@ internal class RemoteWorkspaceManager
  MefHostServices.DefaultAssemblies
  .Add(typeof(AspNetCoreEmbeddedLanguageClassifier).Assembly)
  .Add(typeof(BrokeredServiceBase).Assembly)
+ .Add(typeof(RazorAnalyzerAssemblyResolver).Assembly)
  .Add(typeof(RemoteWorkspacesResources).Assembly);
 
  /// <summary>
@@ -105,7 +107,7 @@ private static RemoteWorkspace CreatePrimaryWorkspace()
  /// the same <paramref name="solutionChecksum"/>). However, this is used by Pythia/Razor/UnitTesting which all
  /// assume they can get that solution instance and use as desired by them.
  /// </summary>
- [Obsolete("Use RunServiceAsync (that is passsed a Solution) instead", error: false)]
+ [Obsolete("Use RunServiceAsync (that is passed a Solution) instead", error: false)]
  public async ValueTask<Solution> GetSolutionAsync(ServiceBrokerClient client, Checksum solutionChecksum, CancellationToken cancellationToken)
  {
  var assetSource = new SolutionAssetSource(client);