another attempt to pass ForNode value to Helix

Author: Daniel-Genkin

src/libraries/sendtohelixhelp.proj

@@ -186,6 +186,7 @@
   <ItemGroup>
     <HelixProperties Condition="'$(RuntimeFlavor)' != ''" Include="runtimeFlavor" Value="$(RuntimeFlavor)" />
     <HelixProperties Condition="'$(Scenario)' != ''" Include="scenario" Value="$(Scenario)" />
+    <HelixProperties Condition="'$(ForNode)' != ''" Include="fornode" Value="$(ForNode)" />
   </ItemGroup>
 
   <ItemDefinitionGroup Condition="'$(TargetOS)' == 'MacCatalyst'">