[PATCH v2 0/2] MR3230: comdlg32: Add parent folder button to IFileDialog

[Jacob Czekalla (＠Maaka00524)]

Fixes bug: https://bugs.winehq.org/show_bug.cgi?id=54812

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  v2: comdlg32: computes the parent arrow icon index
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3230