Revert "[main] Switch to Windows.Amd64.Server2022.Open (dotnet#39365)"

- fix dotnet#39363
- Windows.11.Amd64.ClientPre now exists, enabling use in internal PRs
- this reverts commit ed0a740

eng/targets/Helix.Common.props

@@ -30,7 +30,7 @@
       <ItemGroup>
         <HelixAvailableTargetQueue Include="Ubuntu.1804.Amd64.Open" Platform="Linux" />
         <HelixAvailableTargetQueue Include="OSX.1100.Amd64.Open" Platform="OSX" />
-        <HelixAvailableTargetQueue Include="Windows.Amd64.Server2022.Open" Platform="Windows" />
+        <HelixAvailableTargetQueue Include="Windows.11.Amd64.ClientPre.Open" Platform="Windows" />
       </ItemGroup>
     </When>
     <Otherwise>