Fix hardcoded path

Author: maryamariyan

src/lsptoolshost/roslynLanguageServer.ts

@@ -510,7 +510,10 @@ export class RoslynLanguageServer {
             args.push('--extension', extensionPath);
         }
 
-        args.push('--devKitRazorOutputPath', 'C:/CodeHub/vscode-csharp/.razor');
+        args.push(
+            '--razorSourceGenerator',
+            path.join(context.extension.extensionPath, '.razor', 'Microsoft.CodeAnalysis.Razor.Compiler.dll')
+        );
 
         // Get the brokered service pipe name from C# Dev Kit (if installed).
         // We explicitly call this in the LSP server start action instead of awaiting it