Fix IsHardLink() to return false instead of throwing exception when unable to determine (#7355)

src/System.Management.Automation/namespaces/FileSystemProvider.cs

@@ -8111,19 +8111,7 @@ namespace Microsoft.PowerShell.Commands
         {
             BY_HANDLE_FILE_INFORMATION handleInfo;
             bool succeeded = InternalSymbolicLinkLinkCodeMethods.GetFileInformationByHandle(handle, out handleInfo);
-
-            if (!succeeded)
-            {
-                int lastError = Marshal.GetLastWin32Error();
-                throw new Win32Exception(lastError);
-            }
-
-            if (handleInfo.NumberOfLinks > 1)
-            {
-                return true;
-            }
-
-            return false;
+            return succeeded && (handleInfo.NumberOfLinks > 1);
         }
 
         private static string InternalGetTarget(SafeFileHandle handle)