Avoid using RSG in VS until VS 17.0p2 is public (#33971)

Author: pranavkm

eng/Workarounds.props

@@ -36,4 +36,9 @@
   <PropertyGroup>
     <ErrorOnDuplicatePublishOutputFiles>false</ErrorOnDuplicatePublishOutputFiles>
   </PropertyGroup>
+
+  <!-- Turn off RazorSourceGenerator in VS until we're ready to make VS 17.0 a pre-req for this repo -->
+  <PropertyGroup Condition="'$(BuildingInsideVisualStudio)' == 'true'">
+    <UseRazorSourceGenerator>false</UseRazorSourceGenerator>
+  </PropertyGroup>
 </Project>