[clang] Enable c++20 modules support for c++23preview in clang-cl (PR #173663)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- clang/lib/Driver/ToolChains/Clang.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index d7543b972..8692200b4 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -7222,10 +7222,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
        Std->containsValue("c++20") || Std->containsValue("gnu++20") ||
        Std->containsValue("c++2b") || Std->containsValue("gnu++2b") ||
        Std->containsValue("c++23") || Std->containsValue("gnu++23") ||
-       Std->containsValue("c++23preview") ||
-       Std->containsValue("c++2c") || Std->containsValue("gnu++2c") ||
-       Std->containsValue("c++26") || Std->containsValue("gnu++26") ||
-       Std->containsValue("c++latest") || Std->containsValue("gnu++latest"));
+       Std->containsValue("c++23preview") || Std->containsValue("c++2c") ||
+       Std->containsValue("gnu++2c") || Std->containsValue("c++26") ||
+       Std->containsValue("gnu++26") || Std->containsValue("c++latest") ||
+       Std->containsValue("gnu++latest"));
   bool HaveModules =
       RenderModulesOptions(C, D, Args, Input, Output, HaveCxx20, CmdArgs);
 

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https://github.com/llvm/llvm-project/pull/173663