[NTOSKRNL:CC] Disable Fault Clustering while Probing

It ensure fault clustering is disabled for current thread, otherwise on some test it was failing MmProbeAndLockPages

NTOSKRNL/CC/ccmdlhandler.cpp

@@ -357,10 +357,11 @@ CcPrepareMdlWrite(IN PFILE_OBJECT FileObject,
       
         currentThread = KeGetCurrentThread();
         SavedState = currentThread->UserIdealProcessor ;
-        currentThread->UserIdealProcessor = 1;
+        savedDisablePageFaultClustering = currentThread->DisablePageFaultClustering;
+        currentThread->DisablePageFaultClustering = 1;
         MmProbeAndLockPages(Mdl, KernelMode, IoWriteAccess);
         currentThread->UserIdealProcessor = SavedState;
-        SavedState
+        currentThread->DisablePageFaultClustering = savedDisablePageFaultClustering;
         /* Update the Read Aheas Stats*/
         KeAcquireInStackQueuedSpinLock(&SharedCacheMap->BcbSpinLock, &LockHandle);
         if ( ReadAhead_Length.QuadPart > SharedCacheMap->ValidDataGoal.QuadPart )