Fix typo

Author: SteveSandersonMS

src/ProjectTemplates/test/Templates.Tests/template-baselines.json

@@ -772,7 +772,7 @@
     },
     "EmptyUseServerAndWebAssembly": {
       "Template": "blazor",
-      "Arguments": "new blazor --interactivity auto --empty",
+      "Arguments": "new blazor --interactive auto --empty",
       "Files": [
         "{ProjectName}.sln",
         "{ProjectName}/appsettings.Development.json",