Fix issue with VB wpflib templates referencing C# file extensions

Fixes #1556

packaging/Microsoft.Dotnet.Wpf.ProjectTemplates/content/WpfClassLibrary-VisualBasic/.template.config/template.json

@@ -55,7 +55,7 @@
     }
   },
   "primaryOutputs": [
-    { "path": "Company.ClassLibrary1.csproj" },
+    { "path": "Company.ClassLibrary1.vbproj" },
     {
       "condition": "(HostIdentifier != \"dotnetcli\" && HostIdentifier != \"dotnetcli-preview\")",
       "path": "Class1.vb"
@@ -74,7 +74,7 @@
     },
     {
       "condition": "(HostIdentifier != \"dotnetcli\" && HostIdentifier != \"dotnetcli-preview\")",
-      "description": "Opens Class1.cs in the editor",
+      "description": "Opens Class1.vb in the editor",
       "manualInstructions": [ ],
       "actionId": "84C0DA21-51C8-4541-9940-6CA19AF04EE6",
       "args": {