Fix hang caused by calling Environment.FailFast on multiple threads (#72567)

Fixes #72565

Co-authored-by: Jan Kotas <jkotas@microsoft.com>

Author: github-actions[bot]

src/coreclr/vm/eepolicy.cpp

@@ -361,6 +361,7 @@ void LogInfoForFatalError(UINT exitCode, LPCWSTR pszMessage, LPCWSTR errorSource
     }
     else if (pPreviousThread != nullptr)
     {
+        GCX_PREEMP(); // Avoid blocking other threads that may be trying to suspend the runtime
         while (s_pCrashingThread != FatalErrorLoggingFinished)
         {
             ClrSleepEx(50, /*bAlertable*/ FALSE);