[SPA] Enable support for publish single file (#13518)

* Updates the angular template to exclude the client-side files from the single file publish output
* Updates the react template to exclude the client-side files from the single file publish output
* Updates the react-redux template to exclude the client-side files from the single file publish output

Author: javiercn

src/ProjectTemplates/Web.Spa.ProjectTemplates/Angular-CSharp.csproj.in

@@ -61,6 +61,7 @@
       <ResolvedFileToPublish Include="@(DistFiles->'%(FullPath)')" Exclude="@(ResolvedFileToPublish)">
         <RelativePath>%(DistFiles.Identity)</RelativePath>
         <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
       </ResolvedFileToPublish>
     </ItemGroup>
   </Target>

src/ProjectTemplates/Web.Spa.ProjectTemplates/React-CSharp.csproj.in

@@ -56,6 +56,7 @@
       <ResolvedFileToPublish Include="@(DistFiles->'%(FullPath)')" Exclude="@(ResolvedFileToPublish)">
         <RelativePath>%(DistFiles.Identity)</RelativePath>
         <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
       </ResolvedFileToPublish>
     </ItemGroup>
   </Target>

src/ProjectTemplates/Web.Spa.ProjectTemplates/ReactRedux-CSharp.csproj.in

@@ -45,6 +45,7 @@
       <ResolvedFileToPublish Include="@(DistFiles->'%(FullPath)')" Exclude="@(ResolvedFileToPublish)">
         <RelativePath>%(DistFiles.Identity)</RelativePath>
         <CopyToPublishDirectory>PreserveNewest</CopyToPublishDirectory>
+        <ExcludeFromSingleFile>true</ExcludeFromSingleFile>
       </ResolvedFileToPublish>
     </ItemGroup>
   </Target>