fix: resolve NV sentinel collision for direct mock_file_check#97

Koan-Bot wants to merge 1 commit intocpan-authors:maincpan-authors/Overload-FileCheck:mainfrom

Koan-Bot:koan.atoomic/fix-nv-sentinel-direct-callbackKoan-Bot/Overload-FileCheck:koan.atoomic/fix-nv-sentinel-direct-callbackCopy head branch name to clipboard