[PATCH 0/3] MR5400: Draft: shell32: Tying up some loose ends

[Yuxuan Shui (＠yshui)]

Follow up to !5342. This adds the last missing piece for fixing how `ShellExecute` finds files, and restore the ability of running native unix programs with `ShellExecute`

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https://gitlab.winehq.org/wine/wine/-/merge_requests/5400