kernelbase: For FILE_FLAG_BACKUP_SEMANTICS also handle FILE_ATTRIBUTE_DIRECTORY in CreateFile.
Looks like this behaviour depends on FILE_FLAG_POSIX_SEMANTICS and activated
when a file is being created.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=58636
Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>