* Added description to error message when process exits before getting exit message
* Changed NtQueryDirectoryFile usage in UbaDirectoryIterator to use ReturnSingleEntry=false to reduce number of kernel calls. It now uses a 64k buffer to receive as many entries as possible at the time
* Fixed bug in detoured NtQueryDirectoryFile after learning how it works by implementing ReturnSingleEntry=false
[CL 32498649 by henrik karlsson in 5.4 branch]
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