Remove TransformInitTools target, and only call dotnet tool restore i…

…f the manifest file exists

common-features/build/Feature.Build.targets

@@ -8,13 +8,9 @@
   </ItemGroup>
   <Import Project="$(SerenitySrc)Serenity.Net.Web\Serenity.Net.Web.targets" Condition="'$(AddAutoRefs)' != 'false'" />
   <Import Project="$(SerenitySrc)RestoreNpmPackages.targets" />
-  <Target Name="TransformInitTools" BeforeTargets="BeforeBuild" Condition="!Exists('$(DotnetToolManifestFile)')">
-    <Exec Command="dotnet new tool-manifest" ContinueOnError="true" WorkingDirectory="$(MSBuildProjectDirectory)\..\" />
-    <Exec Command="dotnet tool install sergen" ContinueOnError="true" WorkingDirectory="$(MSBuildProjectDirectory)\..\" />
-  </Target>
-  <Target Name="TransformToolRestore" BeforeTargets="BeforeBuild" DependsOnTargets="TransformInitTools"
+  <Target Name="TransformToolRestore" BeforeTargets="BeforeBuild"
           Inputs="$(DotnetToolManifestFile)" Outputs="$(DotnetToolRestoreStamp)"
-          Condition="'$(DotNetSergen)' == 'dotnet sergen' And ('$(SergenTransform)' != '' OR Exists('tsconfig.json'))">
+          Condition="Exists('$(DotnetToolManifestFile)') And '$(DotNetSergen)' == 'dotnet sergen' And '$(SergenTransform)' != 'none' And ('$(SergenTransform)' != '' OR Exists('tsconfig.json'))">
     <Exec Command="dotnet tool restore" ContinueOnError="true" />
     <Touch Files="$(DotnetToolRestoreStamp)" AlwaysCreate="true" />
   </Target>